Finding the Fourth Proportional to 132,023.39, 182,124.78 and 83,543.75
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Solution
The fourth proportional to 132,023.39, 182,124.78 and 83,543.75 is: 115,247.66
Step by Step Solution
- Step 1: Write the proportion equation
132,023.39 : 182,124.78 = 83,543.75 : x - Step 2: Convert to fraction form
132,023.39/182,124.78 = 83,543.75/x - Step 3: Cross multiply
132,023.39x = 182,124.78 × 83,543.75 - Step 4: Simplify right side
132,023.39x = 15,215,387,089.13 - Step 5: Solve for x
x = 15,215,387,089.13/132,023.39 - Step 6: Final answer
x = 115,247.66
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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.