Finding the Fourth Proportional to 132,207.42, 182,446.36 and 71,778.03
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Solution
The fourth proportional to 132,207.42, 182,446.36 and 71,778.03 is: 99,053.75
Step by Step Solution
- Step 1: Write the proportion equation
132,207.42 : 182,446.36 = 71,778.03 : x - Step 2: Convert to fraction form
132,207.42/182,446.36 = 71,778.03/x - Step 3: Cross multiply
132,207.42x = 182,446.36 × 71,778.03 - Step 4: Simplify right side
132,207.42x = 13,095,640,301.47 - Step 5: Solve for x
x = 13,095,640,301.47/132,207.42 - Step 6: Final answer
x = 99,053.75
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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.