Home / 239,189.28-330,068.97-131,757

Finding the Fourth Proportional to 239,189.28, 330,068.97 and 131,757

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Solution

The fourth proportional to 239,189.28, 330,068.97 and 131,757 is: 181,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,189.28 : 330,068.97 = 131,757 : x
  2. Step 2: Convert to fraction form
    239,189.28/330,068.97 = 131,757/x
  3. Step 3: Cross multiply
    239,189.28x = 330,068.97 × 131,757
  4. Step 4: Simplify right side
    239,189.28x = 43,488,897,280.29
  5. Step 5: Solve for x
    x = 43,488,897,280.29/239,189.28
  6. Step 6: Final answer
    x = 181,817.92

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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.