Finding the Fourth Proportional to 121,184.46, 181,505.99 and 87,827.95
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Solution
The fourth proportional to 121,184.46, 181,505.99 and 87,827.95 is: 131,545.74
Step by Step Solution
- Step 1: Write the proportion equation
121,184.46 : 181,505.99 = 87,827.95 : x - Step 2: Convert to fraction form
121,184.46/181,505.99 = 87,827.95/x - Step 3: Cross multiply
121,184.46x = 181,505.99 × 87,827.95 - Step 4: Simplify right side
121,184.46x = 15,941,298,780.23 - Step 5: Solve for x
x = 15,941,298,780.23/121,184.46 - Step 6: Final answer
x = 131,545.74
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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.