Home / 129,727.85-194,449.61-50,755.28

Finding the Fourth Proportional to 129,727.85, 194,449.61 and 50,755.28

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Solution

The fourth proportional to 129,727.85, 194,449.61 and 50,755.28 is: 76,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,727.85 : 194,449.61 = 50,755.28 : x
  2. Step 2: Convert to fraction form
    129,727.85/194,449.61 = 50,755.28/x
  3. Step 3: Cross multiply
    129,727.85x = 194,449.61 × 50,755.28
  4. Step 4: Simplify right side
    129,727.85x = 9,869,343,556.08
  5. Step 5: Solve for x
    x = 9,869,343,556.08/129,727.85
  6. Step 6: Final answer
    x = 76,077.30

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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.