Home / 140,964.20-211,446.30-107,786.60

Finding the Fourth Proportional to 140,964.20, 211,446.30 and 107,786.60

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Solution

The fourth proportional to 140,964.20, 211,446.30 and 107,786.60 is: 161,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,964.20 : 211,446.30 = 107,786.60 : x
  2. Step 2: Convert to fraction form
    140,964.20/211,446.30 = 107,786.60/x
  3. Step 3: Cross multiply
    140,964.20x = 211,446.30 × 107,786.60
  4. Step 4: Simplify right side
    140,964.20x = 22,791,077,759.58
  5. Step 5: Solve for x
    x = 22,791,077,759.58/140,964.20
  6. Step 6: Final answer
    x = 161,679.90

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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.