Respuesta :

51 inches. 4 feet is 48 inches and 1/4 of a foot is 3 inches
4 1/4 yards = 153 inches 

1 yd = 3 ft 
1 ft = 12 in
3(12) = 36
so 1 yd = 36 in 

4 1/4 = 4.25 
4.25(36) = 153