Home / 126,976.33-175,229.31-69,620.88

Finding the Fourth Proportional to 126,976.33, 175,229.31 and 69,620.88

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Solution

The fourth proportional to 126,976.33, 175,229.31 and 69,620.88 is: 96,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.33 : 175,229.31 = 69,620.88 : x
  2. Step 2: Convert to fraction form
    126,976.33/175,229.31 = 69,620.88/x
  3. Step 3: Cross multiply
    126,976.33x = 175,229.31 × 69,620.88
  4. Step 4: Simplify right side
    126,976.33x = 12,199,619,290.56
  5. Step 5: Solve for x
    x = 12,199,619,290.56/126,976.33
  6. Step 6: Final answer
    x = 96,077.90

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1.5x scale

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.