Home / 140,986.60-211,091.10-109,882.60

Finding the Fourth Proportional to 140,986.60, 211,091.10 and 109,882.60

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Solution

The fourth proportional to 140,986.60, 211,091.10 and 109,882.60 is: 164,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,986.60 : 211,091.10 = 109,882.60 : x
  2. Step 2: Convert to fraction form
    140,986.60/211,091.10 = 109,882.60/x
  3. Step 3: Cross multiply
    140,986.60x = 211,091.10 × 109,882.60
  4. Step 4: Simplify right side
    140,986.60x = 23,195,238,904.86
  5. Step 5: Solve for x
    x = 23,195,238,904.86/140,986.60
  6. Step 6: Final answer
    x = 164,520.88

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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.