Home / 126,811.20-174,997.72-69,449.88

Finding the Fourth Proportional to 126,811.20, 174,997.72 and 69,449.88

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Solution

The fourth proportional to 126,811.20, 174,997.72 and 69,449.88 is: 95,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.20 : 174,997.72 = 69,449.88 : x
  2. Step 2: Convert to fraction form
    126,811.20/174,997.72 = 69,449.88/x
  3. Step 3: Cross multiply
    126,811.20x = 174,997.72 × 69,449.88
  4. Step 4: Simplify right side
    126,811.20x = 12,153,570,654.27
  5. Step 5: Solve for x
    x = 12,153,570,654.27/126,811.20
  6. Step 6: Final answer
    x = 95,839.88

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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.