Career
Prorochenko trained at VSS Kolos in Zaporizhia.
Prorochenko trained at VSS Kolos in Zaporizhia.
She competed for the Union of the Soviet Socialist Republics in the 1976 Summer Olympics held in Montreal, Canada in the 4 x 100 metres where she won a bronze medal with her team mates Lyudmila Maslakova, Vera Anisimova and Natalya Bochina. She returned to the 1980 Summer Olympics held in Moscow this time moving up to the 4 x 400 metres where she won the Gold medal with her team mates Tatyana Goyshchik, Nina Zyuskova and Irina Nazarova.