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Finding the Fourth Proportional to 135,167.67, 202,424.67 and 131,624.73

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Solution

The fourth proportional to 135,167.67, 202,424.67 and 131,624.73 is: 197,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,167.67 : 202,424.67 = 131,624.73 : x
  2. Step 2: Convert to fraction form
    135,167.67/202,424.67 = 131,624.73/x
  3. Step 3: Cross multiply
    135,167.67x = 202,424.67 × 131,624.73
  4. Step 4: Simplify right side
    135,167.67x = 26,644,092,534.09
  5. Step 5: Solve for x
    x = 26,644,092,534.09/135,167.67
  6. Step 6: Final answer
    x = 197,118.83

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1.5x scale

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.