Home / 239,624.28-330,679.35-132,195.21

Finding the Fourth Proportional to 239,624.28, 330,679.35 and 132,195.21

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Solution

The fourth proportional to 239,624.28, 330,679.35 and 132,195.21 is: 182,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,624.28 : 330,679.35 = 132,195.21 : x
  2. Step 2: Convert to fraction form
    239,624.28/330,679.35 = 132,195.21/x
  3. Step 3: Cross multiply
    239,624.28x = 330,679.35 × 132,195.21
  4. Step 4: Simplify right side
    239,624.28x = 43,714,226,115.91
  5. Step 5: Solve for x
    x = 43,714,226,115.91/239,624.28
  6. Step 6: Final answer
    x = 182,428.20

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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.