Home / 146,631.76-220,103.17-129,873.56

Finding the Fourth Proportional to 146,631.76, 220,103.17 and 129,873.56

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Solution

The fourth proportional to 146,631.76, 220,103.17 and 129,873.56 is: 194,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,631.76 : 220,103.17 = 129,873.56 : x
  2. Step 2: Convert to fraction form
    146,631.76/220,103.17 = 129,873.56/x
  3. Step 3: Cross multiply
    146,631.76x = 220,103.17 × 129,873.56
  4. Step 4: Simplify right side
    146,631.76x = 28,585,581,154.67
  5. Step 5: Solve for x
    x = 28,585,581,154.67/146,631.76
  6. Step 6: Final answer
    x = 194,948.09

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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.