Ratio is a thoroughbred horse born in Australia in 1999. Race horse Ratio is by Woodman (USA) out of Red Chiffon (AUS) , trained by Maryann Thexton. Ratio form is available here. Owned by MS M THEXTON, B NELMES, L BEWLEY, W SIMMONS, B NELMES, C SCOTT, D WIEGOLD, J SWEETING, R JONES & A GOWER..