Finding the Fourth Proportional to 124,937.13, 187,405.69 and 36,190.66
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Solution
The fourth proportional to 124,937.13, 187,405.69 and 36,190.66 is: 54,285.99
Step by Step Solution
- Step 1: Write the proportion equation
124,937.13 : 187,405.69 = 36,190.66 : x - Step 2: Convert to fraction form
124,937.13/187,405.69 = 36,190.66/x - Step 3: Cross multiply
124,937.13x = 187,405.69 × 36,190.66 - Step 4: Simplify right side
124,937.13x = 6,782,335,608.86 - Step 5: Solve for x
x = 6,782,335,608.86/124,937.13 - Step 6: Final answer
x = 54,285.99
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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.