Finding the Fourth Proportional to 132,157.13, 182,528.19 and 87,036.80
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Solution
The fourth proportional to 132,157.13, 182,528.19 and 87,036.80 is: 120,210.46
Step by Step Solution
- Step 1: Write the proportion equation
132,157.13 : 182,528.19 = 87,036.80 : x - Step 2: Convert to fraction form
132,157.13/182,528.19 = 87,036.80/x - Step 3: Cross multiply
132,157.13x = 182,528.19 × 87,036.80 - Step 4: Simplify right side
132,157.13x = 15,886,668,654.75 - Step 5: Solve for x
x = 15,886,668,654.75/132,157.13 - Step 6: Final answer
x = 120,210.46
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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.