Finding the Fourth Proportional to 132,073.32, 182,260.58 and 71,643.99
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Solution
The fourth proportional to 132,073.32, 182,260.58 and 71,643.99 is: 98,868.38
Step by Step Solution
- Step 1: Write the proportion equation
132,073.32 : 182,260.58 = 71,643.99 : x - Step 2: Convert to fraction form
132,073.32/182,260.58 = 71,643.99/x - Step 3: Cross multiply
132,073.32x = 182,260.58 × 71,643.99 - Step 4: Simplify right side
132,073.32x = 13,057,874,812.69 - Step 5: Solve for x
x = 13,057,874,812.69/132,073.32 - Step 6: Final answer
x = 98,868.38
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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.