Home / 239,432.25-330,431.40-132,002.12

Finding the Fourth Proportional to 239,432.25, 330,431.40 and 132,002.12

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Solution

The fourth proportional to 239,432.25, 330,431.40 and 132,002.12 is: 182,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,432.25 : 330,431.40 = 132,002.12 : x
  2. Step 2: Convert to fraction form
    239,432.25/330,431.40 = 132,002.12/x
  3. Step 3: Cross multiply
    239,432.25x = 330,431.40 × 132,002.12
  4. Step 4: Simplify right side
    239,432.25x = 43,617,646,140.65
  5. Step 5: Solve for x
    x = 43,617,646,140.65/239,432.25
  6. Step 6: Final answer
    x = 182,171.14

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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.