Home / 239,981.88-331,195.50-132,563.64

Finding the Fourth Proportional to 239,981.88, 331,195.50 and 132,563.64

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Solution

The fourth proportional to 239,981.88, 331,195.50 and 132,563.64 is: 182,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.88 : 331,195.50 = 132,563.64 : x
  2. Step 2: Convert to fraction form
    239,981.88/331,195.50 = 132,563.64/x
  3. Step 3: Cross multiply
    239,981.88x = 331,195.50 × 132,563.64
  4. Step 4: Simplify right side
    239,981.88x = 43,904,481,031.62
  5. Step 5: Solve for x
    x = 43,904,481,031.62/239,981.88
  6. Step 6: Final answer
    x = 182,949.15

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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.