Home / 154,414.20-231,275.70-126,766.20

Finding the Fourth Proportional to 154,414.20, 231,275.70 and 126,766.20

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Solution

The fourth proportional to 154,414.20, 231,275.70 and 126,766.20 is: 189,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,414.20 : 231,275.70 = 126,766.20 : x
  2. Step 2: Convert to fraction form
    154,414.20/231,275.70 = 126,766.20/x
  3. Step 3: Cross multiply
    154,414.20x = 231,275.70 × 126,766.20
  4. Step 4: Simplify right side
    154,414.20x = 29,317,941,641.34
  5. Step 5: Solve for x
    x = 29,317,941,641.34/154,414.20
  6. Step 6: Final answer
    x = 189,865.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.