Finding the Fourth Proportional to 160,757.20, 221,589.18 and 126,710.44
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Solution
The fourth proportional to 160,757.20, 221,589.18 and 126,710.44 is: 174,658.82
Step by Step Solution
- Step 1: Write the proportion equation
160,757.20 : 221,589.18 = 126,710.44 : x - Step 2: Convert to fraction form
160,757.20/221,589.18 = 126,710.44/x - Step 3: Cross multiply
160,757.20x = 221,589.18 × 126,710.44 - Step 4: Simplify right side
160,757.20x = 28,077,662,497.04 - Step 5: Solve for x
x = 28,077,662,497.04/160,757.20 - Step 6: Final answer
x = 174,658.82
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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.