Home / 133,399.10-200,098.65-54,569.90

Finding the Fourth Proportional to 133,399.10, 200,098.65 and 54,569.90

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Solution

The fourth proportional to 133,399.10, 200,098.65 and 54,569.90 is: 81,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,399.10 : 200,098.65 = 54,569.90 : x
  2. Step 2: Convert to fraction form
    133,399.10/200,098.65 = 54,569.90/x
  3. Step 3: Cross multiply
    133,399.10x = 200,098.65 × 54,569.90
  4. Step 4: Simplify right side
    133,399.10x = 10,919,363,320.64
  5. Step 5: Solve for x
    x = 10,919,363,320.64/133,399.10
  6. Step 6: Final answer
    x = 81,854.85

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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.