Home / 99,162.11-148,727.70-32,601.78

Finding the Fourth Proportional to 99,162.11, 148,727.70 and 32,601.78

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Solution

The fourth proportional to 99,162.11, 148,727.70 and 32,601.78 is: 48,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162.11 : 148,727.70 = 32,601.78 : x
  2. Step 2: Convert to fraction form
    99,162.11/148,727.70 = 32,601.78/x
  3. Step 3: Cross multiply
    99,162.11x = 148,727.70 × 32,601.78
  4. Step 4: Simplify right side
    99,162.11x = 4,848,787,755.31
  5. Step 5: Solve for x
    x = 4,848,787,755.31/99,162.11
  6. Step 6: Final answer
    x = 48,897.58

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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.