Finding the Fourth Proportional to 124,740.24, 187,184.16 and 45,909.84
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Solution
The fourth proportional to 124,740.24, 187,184.16 and 45,909.84 is: 68,891.92
Step by Step Solution
- Step 1: Write the proportion equation
124,740.24 : 187,184.16 = 45,909.84 : x - Step 2: Convert to fraction form
124,740.24/187,184.16 = 45,909.84/x - Step 3: Cross multiply
124,740.24x = 187,184.16 × 45,909.84 - Step 4: Simplify right side
124,740.24x = 8,593,594,836.13 - Step 5: Solve for x
x = 8,593,594,836.13/124,740.24 - Step 6: Final answer
x = 68,891.92
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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.