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Finding the Fourth Proportional to 119,469.97, 179,104.51 and 79,906.33

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Solution

The fourth proportional to 119,469.97, 179,104.51 and 79,906.33 is: 119,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,469.97 : 179,104.51 = 79,906.33 : x
  2. Step 2: Convert to fraction form
    119,469.97/179,104.51 = 79,906.33/x
  3. Step 3: Cross multiply
    119,469.97x = 179,104.51 × 79,906.33
  4. Step 4: Simplify right side
    119,469.97x = 14,311,583,433.02
  5. Step 5: Solve for x
    x = 14,311,583,433.02/119,469.97
  6. Step 6: Final answer
    x = 119,792.31

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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.