Home / 239,669.85-330,744.15-132,239.88

Finding the Fourth Proportional to 239,669.85, 330,744.15 and 132,239.88

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Solution

The fourth proportional to 239,669.85, 330,744.15 and 132,239.88 is: 182,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,669.85 : 330,744.15 = 132,239.88 : x
  2. Step 2: Convert to fraction form
    239,669.85/330,744.15 = 132,239.88/x
  3. Step 3: Cross multiply
    239,669.85x = 330,744.15 × 132,239.88
  4. Step 4: Simplify right side
    239,669.85x = 43,737,566,706.70
  5. Step 5: Solve for x
    x = 43,737,566,706.70/239,669.85
  6. Step 6: Final answer
    x = 182,490.90

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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.