Home / 131,433.20-196,858.20-108,105.20

Finding the Fourth Proportional to 131,433.20, 196,858.20 and 108,105.20

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Solution

The fourth proportional to 131,433.20, 196,858.20 and 108,105.20 is: 161,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,433.20 : 196,858.20 = 108,105.20 : x
  2. Step 2: Convert to fraction form
    131,433.20/196,858.20 = 108,105.20/x
  3. Step 3: Cross multiply
    131,433.20x = 196,858.20 × 108,105.20
  4. Step 4: Simplify right side
    131,433.20x = 21,281,395,082.64
  5. Step 5: Solve for x
    x = 21,281,395,082.64/131,433.20
  6. Step 6: Final answer
    x = 161,917.96

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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.