Home / 239,447.20-330,439.48-132,021.44

Finding the Fourth Proportional to 239,447.20, 330,439.48 and 132,021.44

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Solution

The fourth proportional to 239,447.20, 330,439.48 and 132,021.44 is: 182,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,447.20 : 330,439.48 = 132,021.44 : x
  2. Step 2: Convert to fraction form
    239,447.20/330,439.48 = 132,021.44/x
  3. Step 3: Cross multiply
    239,447.20x = 330,439.48 × 132,021.44
  4. Step 4: Simplify right side
    239,447.20x = 43,625,095,982.45
  5. Step 5: Solve for x
    x = 43,625,095,982.45/239,447.20
  6. Step 6: Final answer
    x = 182,190.88

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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.