Finding the Fourth Proportional to 132,352.13, 182,645.34 and 71,921.63
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Solution
The fourth proportional to 132,352.13, 182,645.34 and 71,921.63 is: 99,251.52
Step by Step Solution
- Step 1: Write the proportion equation
132,352.13 : 182,645.34 = 71,921.63 : x - Step 2: Convert to fraction form
132,352.13/182,645.34 = 71,921.63/x - Step 3: Cross multiply
132,352.13x = 182,645.34 × 71,921.63 - Step 4: Simplify right side
132,352.13x = 13,136,150,564.70 - Step 5: Solve for x
x = 13,136,150,564.70/132,352.13 - Step 6: Final answer
x = 99,251.52
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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.