Home / 239,933.30-331,098.89-131,034.02

Finding the Fourth Proportional to 239,933.30, 331,098.89 and 131,034.02

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Solution

The fourth proportional to 239,933.30, 331,098.89 and 131,034.02 is: 180,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,933.30 : 331,098.89 = 131,034.02 : x
  2. Step 2: Convert to fraction form
    239,933.30/331,098.89 = 131,034.02/x
  3. Step 3: Cross multiply
    239,933.30x = 331,098.89 × 131,034.02
  4. Step 4: Simplify right side
    239,933.30x = 43,385,216,263.57
  5. Step 5: Solve for x
    x = 43,385,216,263.57/239,933.30
  6. Step 6: Final answer
    x = 180,821.99

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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.