Home / 126,930.24-175,165.20-70,342.56

Finding the Fourth Proportional to 126,930.24, 175,165.20 and 70,342.56

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Solution

The fourth proportional to 126,930.24, 175,165.20 and 70,342.56 is: 97,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,930.24 : 175,165.20 = 70,342.56 : x
  2. Step 2: Convert to fraction form
    126,930.24/175,165.20 = 70,342.56/x
  3. Step 3: Cross multiply
    126,930.24x = 175,165.20 × 70,342.56
  4. Step 4: Simplify right side
    126,930.24x = 12,321,568,590.91
  5. Step 5: Solve for x
    x = 12,321,568,590.91/126,930.24
  6. Step 6: Final answer
    x = 97,073.55

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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.