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Finding the Fourth Proportional to 111,269.71, 166,912.26 and 44,709.92

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Solution

The fourth proportional to 111,269.71, 166,912.26 and 44,709.92 is: 67,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,269.71 : 166,912.26 = 44,709.92 : x
  2. Step 2: Convert to fraction form
    111,269.71/166,912.26 = 44,709.92/x
  3. Step 3: Cross multiply
    111,269.71x = 166,912.26 × 44,709.92
  4. Step 4: Simplify right side
    111,269.71x = 7,462,632,957.06
  5. Step 5: Solve for x
    x = 7,462,632,957.06/111,269.71
  6. Step 6: Final answer
    x = 67,067.97

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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.