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Finding the Fourth Proportional to 101,727.44, 140,295.46 and 80,469.44

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Solution

The fourth proportional to 101,727.44, 140,295.46 and 80,469.44 is: 110,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.44 : 140,295.46 = 80,469.44 : x
  2. Step 2: Convert to fraction form
    101,727.44/140,295.46 = 80,469.44/x
  3. Step 3: Cross multiply
    101,727.44x = 140,295.46 × 80,469.44
  4. Step 4: Simplify right side
    101,727.44x = 11,289,497,100.74
  5. Step 5: Solve for x
    x = 11,289,497,100.74/101,727.44
  6. Step 6: Final answer
    x = 110,977.89

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1.5x scale

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.