Finding the Fourth Proportional to 132,229.07, 182,478.21 and 71,799.68
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Solution
The fourth proportional to 132,229.07, 182,478.21 and 71,799.68 is: 99,084.70
Step by Step Solution
- Step 1: Write the proportion equation
132,229.07 : 182,478.21 = 71,799.68 : x - Step 2: Convert to fraction form
132,229.07/182,478.21 = 71,799.68/x - Step 3: Cross multiply
132,229.07x = 182,478.21 × 71,799.68 - Step 4: Simplify right side
132,229.07x = 13,101,877,084.97 - Step 5: Solve for x
x = 13,101,877,084.97/132,229.07 - Step 6: Final answer
x = 99,084.70
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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.