Home / 126,818.28-175,014.50-70,229.70

Finding the Fourth Proportional to 126,818.28, 175,014.50 and 70,229.70

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Solution

The fourth proportional to 126,818.28, 175,014.50 and 70,229.70 is: 96,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,818.28 : 175,014.50 = 70,229.70 : x
  2. Step 2: Convert to fraction form
    126,818.28/175,014.50 = 70,229.70/x
  3. Step 3: Cross multiply
    126,818.28x = 175,014.50 × 70,229.70
  4. Step 4: Simplify right side
    126,818.28x = 12,291,215,479.50
  5. Step 5: Solve for x
    x = 12,291,215,479.50/126,818.28
  6. Step 6: Final answer
    x = 96,919.90

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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.