Finding the Fourth Proportional to 168,640.18, 232,723.53 and 93,188.68
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Solution
The fourth proportional to 168,640.18, 232,723.53 and 93,188.68 is: 128,600.42
Step by Step Solution
- Step 1: Write the proportion equation
168,640.18 : 232,723.53 = 93,188.68 : x - Step 2: Convert to fraction form
168,640.18/232,723.53 = 93,188.68/x - Step 3: Cross multiply
168,640.18x = 232,723.53 × 93,188.68 - Step 4: Simplify right side
168,640.18x = 21,687,197,983.83 - Step 5: Solve for x
x = 21,687,197,983.83/168,640.18 - Step 6: Final answer
x = 128,600.42
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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.