Home / 239,531.18-330,550.47-132,105.74

Finding the Fourth Proportional to 239,531.18, 330,550.47 and 132,105.74

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Solution

The fourth proportional to 239,531.18, 330,550.47 and 132,105.74 is: 182,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,531.18 : 330,550.47 = 132,105.74 : x
  2. Step 2: Convert to fraction form
    239,531.18/330,550.47 = 132,105.74/x
  3. Step 3: Cross multiply
    239,531.18x = 330,550.47 × 132,105.74
  4. Step 4: Simplify right side
    239,531.18x = 43,667,612,793.95
  5. Step 5: Solve for x
    x = 43,667,612,793.95/239,531.18
  6. Step 6: Final answer
    x = 182,304.51

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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.