Finding the Fourth Proportional to 157,931.99, 236,922.60 and 94,737.26
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Solution
The fourth proportional to 157,931.99, 236,922.60 and 94,737.26 is: 142,120.66
Step by Step Solution
- Step 1: Write the proportion equation
157,931.99 : 236,922.60 = 94,737.26 : x - Step 2: Convert to fraction form
157,931.99/236,922.60 = 94,737.26/x - Step 3: Cross multiply
157,931.99x = 236,922.60 × 94,737.26 - Step 4: Simplify right side
157,931.99x = 22,445,397,956.08 - Step 5: Solve for x
x = 22,445,397,956.08/157,931.99 - Step 6: Final answer
x = 142,120.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.