Home / 239,345.20-330,282.90-131,914.88

Finding the Fourth Proportional to 239,345.20, 330,282.90 and 131,914.88

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Solution

The fourth proportional to 239,345.20, 330,282.90 and 131,914.88 is: 182,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,345.20 : 330,282.90 = 131,914.88 : x
  2. Step 2: Convert to fraction form
    239,345.20/330,282.90 = 131,914.88/x
  3. Step 3: Cross multiply
    239,345.20x = 330,282.90 × 131,914.88
  4. Step 4: Simplify right side
    239,345.20x = 43,569,229,119.55
  5. Step 5: Solve for x
    x = 43,569,229,119.55/239,345.20
  6. Step 6: Final answer
    x = 182,035.11

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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.