Home / 133,072.60-199,631.94-54,229.72

Finding the Fourth Proportional to 133,072.60, 199,631.94 and 54,229.72

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Solution

The fourth proportional to 133,072.60, 199,631.94 and 54,229.72 is: 81,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.60 : 199,631.94 = 54,229.72 : x
  2. Step 2: Convert to fraction form
    133,072.60/199,631.94 = 54,229.72/x
  3. Step 3: Cross multiply
    133,072.60x = 199,631.94 × 54,229.72
  4. Step 4: Simplify right side
    133,072.60x = 10,825,984,209.26
  5. Step 5: Solve for x
    x = 10,825,984,209.26/133,072.60
  6. Step 6: Final answer
    x = 81,353.97

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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.