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Finding the Fourth Proportional to 135,691.96, 203,496.48 and 93,841

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Solution

The fourth proportional to 135,691.96, 203,496.48 and 93,841 is: 140,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,691.96 : 203,496.48 = 93,841 : x
  2. Step 2: Convert to fraction form
    135,691.96/203,496.48 = 93,841/x
  3. Step 3: Cross multiply
    135,691.96x = 203,496.48 × 93,841
  4. Step 4: Simplify right side
    135,691.96x = 19,096,313,179.68
  5. Step 5: Solve for x
    x = 19,096,313,179.68/135,691.96
  6. Step 6: Final answer
    x = 140,732.83

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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.