Home / 239,820.20-330,943.19-132,387.92

Finding the Fourth Proportional to 239,820.20, 330,943.19 and 132,387.92

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Solution

The fourth proportional to 239,820.20, 330,943.19 and 132,387.92 is: 182,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,820.20 : 330,943.19 = 132,387.92 : x
  2. Step 2: Convert to fraction form
    239,820.20/330,943.19 = 132,387.92/x
  3. Step 3: Cross multiply
    239,820.20x = 330,943.19 × 132,387.92
  4. Step 4: Simplify right side
    239,820.20x = 43,812,879,900.33
  5. Step 5: Solve for x
    x = 43,812,879,900.33/239,820.20
  6. Step 6: Final answer
    x = 182,690.54

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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.