Finding the Fourth Proportional to 132,265.97, 182,528.36 and 71,837.80
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Solution
The fourth proportional to 132,265.97, 182,528.36 and 71,837.80 is: 99,136.87
Step by Step Solution
- Step 1: Write the proportion equation
132,265.97 : 182,528.36 = 71,837.80 : x - Step 2: Convert to fraction form
132,265.97/182,528.36 = 71,837.80/x - Step 3: Cross multiply
132,265.97x = 182,528.36 × 71,837.80 - Step 4: Simplify right side
132,265.97x = 13,112,434,548.18 - Step 5: Solve for x
x = 13,112,434,548.18/132,265.97 - Step 6: Final answer
x = 99,136.87
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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.