Home / 111,331.90-166,997.85-100,251.10

Finding the Fourth Proportional to 111,331.90, 166,997.85 and 100,251.10

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Solution

The fourth proportional to 111,331.90, 166,997.85 and 100,251.10 is: 150,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,331.90 : 166,997.85 = 100,251.10 : x
  2. Step 2: Convert to fraction form
    111,331.90/166,997.85 = 100,251.10/x
  3. Step 3: Cross multiply
    111,331.90x = 166,997.85 × 100,251.10
  4. Step 4: Simplify right side
    111,331.90x = 16,741,718,160.14
  5. Step 5: Solve for x
    x = 16,741,718,160.14/111,331.90
  6. Step 6: Final answer
    x = 150,376.65

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1.5x scale

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.