Home / 239,385.20-330,351.48-131,957.03

Finding the Fourth Proportional to 239,385.20, 330,351.48 and 131,957.03

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Solution

The fourth proportional to 239,385.20, 330,351.48 and 131,957.03 is: 182,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,385.20 : 330,351.48 = 131,957.03 : x
  2. Step 2: Convert to fraction form
    239,385.20/330,351.48 = 131,957.03/x
  3. Step 3: Cross multiply
    239,385.20x = 330,351.48 × 131,957.03
  4. Step 4: Simplify right side
    239,385.20x = 43,592,200,982.78
  5. Step 5: Solve for x
    x = 43,592,200,982.78/239,385.20
  6. Step 6: Final answer
    x = 182,100.66

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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.