Home / 239,429.20-330,414.60-132,003.40

Finding the Fourth Proportional to 239,429.20, 330,414.60 and 132,003.40

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Solution

The fourth proportional to 239,429.20, 330,414.60 and 132,003.40 is: 182,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,429.20 : 330,414.60 = 132,003.40 : x
  2. Step 2: Convert to fraction form
    239,429.20/330,414.60 = 132,003.40/x
  3. Step 3: Cross multiply
    239,429.20x = 330,414.60 × 132,003.40
  4. Step 4: Simplify right side
    239,429.20x = 43,615,850,609.64
  5. Step 5: Solve for x
    x = 43,615,850,609.64/239,429.20
  6. Step 6: Final answer
    x = 182,165.96

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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.