Home / 119,839.80-165,377.70-66,125.88

Finding the Fourth Proportional to 119,839.80, 165,377.70 and 66,125.88

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Solution

The fourth proportional to 119,839.80, 165,377.70 and 66,125.88 is: 91,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839.80 : 165,377.70 = 66,125.88 : x
  2. Step 2: Convert to fraction form
    119,839.80/165,377.70 = 66,125.88/x
  3. Step 3: Cross multiply
    119,839.80x = 165,377.70 × 66,125.88
  4. Step 4: Simplify right side
    119,839.80x = 10,935,745,944.88
  5. Step 5: Solve for x
    x = 10,935,745,944.88/119,839.80
  6. Step 6: Final answer
    x = 91,253.04

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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.