Home / 133,459.09-200,219.78-38,691.25

Finding the Fourth Proportional to 133,459.09, 200,219.78 and 38,691.25

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Solution

The fourth proportional to 133,459.09, 200,219.78 and 38,691.25 is: 58,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,459.09 : 200,219.78 = 38,691.25 : x
  2. Step 2: Convert to fraction form
    133,459.09/200,219.78 = 38,691.25/x
  3. Step 3: Cross multiply
    133,459.09x = 200,219.78 × 38,691.25
  4. Step 4: Simplify right side
    133,459.09x = 7,746,753,562.93
  5. Step 5: Solve for x
    x = 7,746,753,562.93/133,459.09
  6. Step 6: Final answer
    x = 58,045.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.