Finding the Fourth Proportional to 129,445.91, 194,191.00 and 59,331.23
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Solution
The fourth proportional to 129,445.91, 194,191.00 and 59,331.23 is: 89,006.99
Step by Step Solution
- Step 1: Write the proportion equation
129,445.91 : 194,191.00 = 59,331.23 : x - Step 2: Convert to fraction form
129,445.91/194,191.00 = 59,331.23/x - Step 3: Cross multiply
129,445.91x = 194,191.00 × 59,331.23 - Step 4: Simplify right side
129,445.91x = 11,521,589,765.65 - Step 5: Solve for x
x = 11,521,589,765.65/129,445.91 - Step 6: Final answer
x = 89,006.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.