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Finding the Fourth Proportional to 133,676.55, 200,545.20 and 44,939.03

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Solution

The fourth proportional to 133,676.55, 200,545.20 and 44,939.03 is: 67,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,676.55 : 200,545.20 = 44,939.03 : x
  2. Step 2: Convert to fraction form
    133,676.55/200,545.20 = 44,939.03/x
  3. Step 3: Cross multiply
    133,676.55x = 200,545.20 × 44,939.03
  4. Step 4: Simplify right side
    133,676.55x = 9,012,305,756.43
  5. Step 5: Solve for x
    x = 9,012,305,756.43/133,676.55
  6. Step 6: Final answer
    x = 67,418.75

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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.