Finding the Fourth Proportional to 115,010.88, 158,691.11 and 67,254.99
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Solution
The fourth proportional to 115,010.88, 158,691.11 and 67,254.99 is: 92,797.91
Step by Step Solution
- Step 1: Write the proportion equation
115,010.88 : 158,691.11 = 67,254.99 : x - Step 2: Convert to fraction form
115,010.88/158,691.11 = 67,254.99/x - Step 3: Cross multiply
115,010.88x = 158,691.11 × 67,254.99 - Step 4: Simplify right side
115,010.88x = 10,672,769,016.14 - Step 5: Solve for x
x = 10,672,769,016.14/115,010.88 - Step 6: Final answer
x = 92,797.91
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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.