Finding the Fourth Proportional to 173,639.92, 239,653.84 and 102,019.96
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Solution
The fourth proportional to 173,639.92, 239,653.84 and 102,019.96 is: 140,805.61
Step by Step Solution
- Step 1: Write the proportion equation
173,639.92 : 239,653.84 = 102,019.96 : x - Step 2: Convert to fraction form
173,639.92/239,653.84 = 102,019.96/x - Step 3: Cross multiply
173,639.92x = 239,653.84 × 102,019.96 - Step 4: Simplify right side
173,639.92x = 24,449,475,170.65 - Step 5: Solve for x
x = 24,449,475,170.65/173,639.92 - Step 6: Final answer
x = 140,805.61
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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.