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Finding the Fourth Proportional to 239,953.80, 331,134.30 and 132,531.20

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Solution

The fourth proportional to 239,953.80, 331,134.30 and 132,531.20 is: 182,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,953.80 : 331,134.30 = 132,531.20 : x
  2. Step 2: Convert to fraction form
    239,953.80/331,134.30 = 132,531.20/x
  3. Step 3: Cross multiply
    239,953.80x = 331,134.30 × 132,531.20
  4. Step 4: Simplify right side
    239,953.80x = 43,885,624,484.49
  5. Step 5: Solve for x
    x = 43,885,624,484.49/239,953.80
  6. Step 6: Final answer
    x = 182,891.98

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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.