Home / 126,489.79-174,559.52-69,132.30

Finding the Fourth Proportional to 126,489.79, 174,559.52 and 69,132.30

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Solution

The fourth proportional to 126,489.79, 174,559.52 and 69,132.30 is: 95,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,489.79 : 174,559.52 = 69,132.30 : x
  2. Step 2: Convert to fraction form
    126,489.79/174,559.52 = 69,132.30/x
  3. Step 3: Cross multiply
    126,489.79x = 174,559.52 × 69,132.30
  4. Step 4: Simplify right side
    126,489.79x = 12,067,701,104.50
  5. Step 5: Solve for x
    x = 12,067,701,104.50/126,489.79
  6. Step 6: Final answer
    x = 95,404.55

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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.