Finding the Fourth Proportional to 132,147.38, 182,514.75 and 87,027.03
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Solution
The fourth proportional to 132,147.38, 182,514.75 and 87,027.03 is: 120,196.99
Step by Step Solution
- Step 1: Write the proportion equation
132,147.38 : 182,514.75 = 87,027.03 : x - Step 2: Convert to fraction form
132,147.38/182,514.75 = 87,027.03/x - Step 3: Cross multiply
132,147.38x = 182,514.75 × 87,027.03 - Step 4: Simplify right side
132,147.38x = 15,883,716,623.69 - Step 5: Solve for x
x = 15,883,716,623.69/132,147.38 - Step 6: Final answer
x = 120,196.99
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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.