Finding the Fourth Proportional to 157,737.40, 236,606.10 and 94,751.80
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Solution
The fourth proportional to 157,737.40, 236,606.10 and 94,751.80 is: 142,127.70
Step by Step Solution
- Step 1: Write the proportion equation
157,737.40 : 236,606.10 = 94,751.80 : x - Step 2: Convert to fraction form
157,737.40/236,606.10 = 94,751.80/x - Step 3: Cross multiply
157,737.40x = 236,606.10 × 94,751.80 - Step 4: Simplify right side
157,737.40x = 22,418,853,865.98 - Step 5: Solve for x
x = 22,418,853,865.98/157,737.40 - Step 6: Final answer
x = 142,127.70
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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.