Finding the Fourth Proportional to 122,574.96, 169,160.67 and 92,306.88
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Solution
The fourth proportional to 122,574.96, 169,160.67 and 92,306.88 is: 127,388.94
Step by Step Solution
- Step 1: Write the proportion equation
122,574.96 : 169,160.67 = 92,306.88 : x - Step 2: Convert to fraction form
122,574.96/169,160.67 = 92,306.88/x - Step 3: Cross multiply
122,574.96x = 169,160.67 × 92,306.88 - Step 4: Simplify right side
122,574.96x = 15,614,693,666.41 - Step 5: Solve for x
x = 15,614,693,666.41/122,574.96 - Step 6: Final answer
x = 127,388.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.