Finding the Fourth Proportional to 132,337.75, 182,626.10 and 72,721.75
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Solution
The fourth proportional to 132,337.75, 182,626.10 and 72,721.75 is: 100,356.02
Step by Step Solution
- Step 1: Write the proportion equation
132,337.75 : 182,626.10 = 72,721.75 : x - Step 2: Convert to fraction form
132,337.75/182,626.10 = 72,721.75/x - Step 3: Cross multiply
132,337.75x = 182,626.10 × 72,721.75 - Step 4: Simplify right side
132,337.75x = 13,280,889,587.68 - Step 5: Solve for x
x = 13,280,889,587.68/132,337.75 - Step 6: Final answer
x = 100,356.02
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1.5x scale
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.