Home / 148,306.26-204,661.61-80,321.68

Finding the Fourth Proportional to 148,306.26, 204,661.61 and 80,321.68

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Solution

The fourth proportional to 148,306.26, 204,661.61 and 80,321.68 is: 110,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,306.26 : 204,661.61 = 80,321.68 : x
  2. Step 2: Convert to fraction form
    148,306.26/204,661.61 = 80,321.68/x
  3. Step 3: Cross multiply
    148,306.26x = 204,661.61 × 80,321.68
  4. Step 4: Simplify right side
    148,306.26x = 16,438,763,433.44
  5. Step 5: Solve for x
    x = 16,438,763,433.44/148,306.26
  6. Step 6: Final answer
    x = 110,843.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.