Home / 131,265.32-197,003.10-68,103.56

Finding the Fourth Proportional to 131,265.32, 197,003.10 and 68,103.56

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Solution

The fourth proportional to 131,265.32, 197,003.10 and 68,103.56 is: 102,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,265.32 : 197,003.10 = 68,103.56 : x
  2. Step 2: Convert to fraction form
    131,265.32/197,003.10 = 68,103.56/x
  3. Step 3: Cross multiply
    131,265.32x = 197,003.10 × 68,103.56
  4. Step 4: Simplify right side
    131,265.32x = 13,416,612,441.04
  5. Step 5: Solve for x
    x = 13,416,612,441.04/131,265.32
  6. Step 6: Final answer
    x = 102,209.88

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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.