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Finding the Fourth Proportional to 111,227.03, 166,769.83 and 94,365.87

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Solution

The fourth proportional to 111,227.03, 166,769.83 and 94,365.87 is: 141,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,227.03 : 166,769.83 = 94,365.87 : x
  2. Step 2: Convert to fraction form
    111,227.03/166,769.83 = 94,365.87/x
  3. Step 3: Cross multiply
    111,227.03x = 166,769.83 × 94,365.87
  4. Step 4: Simplify right side
    111,227.03x = 15,737,380,097.70
  5. Step 5: Solve for x
    x = 15,737,380,097.70/111,227.03
  6. Step 6: Final answer
    x = 141,488.81

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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.