Home / 239,818.19-330,940.43-132,385.92

Finding the Fourth Proportional to 239,818.19, 330,940.43 and 132,385.92

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Solution

The fourth proportional to 239,818.19, 330,940.43 and 132,385.92 is: 182,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,818.19 : 330,940.43 = 132,385.92 : x
  2. Step 2: Convert to fraction form
    239,818.19/330,940.43 = 132,385.92/x
  3. Step 3: Cross multiply
    239,818.19x = 330,940.43 × 132,385.92
  4. Step 4: Simplify right side
    239,818.19x = 43,811,852,752.97
  5. Step 5: Solve for x
    x = 43,811,852,752.97/239,818.19
  6. Step 6: Final answer
    x = 182,687.78

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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.