Finding the Fourth Proportional to 124,818.24, 172,251.84 and 68,234.88
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Solution
The fourth proportional to 124,818.24, 172,251.84 and 68,234.88 is: 94,165.59
Step by Step Solution
- Step 1: Write the proportion equation
124,818.24 : 172,251.84 = 68,234.88 : x - Step 2: Convert to fraction form
124,818.24/172,251.84 = 68,234.88/x - Step 3: Cross multiply
124,818.24x = 172,251.84 × 68,234.88 - Step 4: Simplify right side
124,818.24x = 11,753,583,632.18 - Step 5: Solve for x
x = 11,753,583,632.18/124,818.24 - Step 6: Final answer
x = 94,165.59
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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.