Home / 131,500.40-197,250.60-110,505.20

Finding the Fourth Proportional to 131,500.40, 197,250.60 and 110,505.20

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Solution

The fourth proportional to 131,500.40, 197,250.60 and 110,505.20 is: 165,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,500.40 : 197,250.60 = 110,505.20 : x
  2. Step 2: Convert to fraction form
    131,500.40/197,250.60 = 110,505.20/x
  3. Step 3: Cross multiply
    131,500.40x = 197,250.60 × 110,505.20
  4. Step 4: Simplify right side
    131,500.40x = 21,797,217,003.12
  5. Step 5: Solve for x
    x = 21,797,217,003.12/131,500.40
  6. Step 6: Final answer
    x = 165,757.80

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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.