Home / 239,818.02-330,940.20-132,385.75

Finding the Fourth Proportional to 239,818.02, 330,940.20 and 132,385.75

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Solution

The fourth proportional to 239,818.02, 330,940.20 and 132,385.75 is: 182,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,818.02 : 330,940.20 = 132,385.75 : x
  2. Step 2: Convert to fraction form
    239,818.02/330,940.20 = 132,385.75/x
  3. Step 3: Cross multiply
    239,818.02x = 330,940.20 × 132,385.75
  4. Step 4: Simplify right side
    239,818.02x = 43,811,764,265.52
  5. Step 5: Solve for x
    x = 43,811,764,265.52/239,818.02
  6. Step 6: Final answer
    x = 182,687.54

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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.