Home / 140,910.60-194,458.21-80,489.26

Finding the Fourth Proportional to 140,910.60, 194,458.21 and 80,489.26

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Solution

The fourth proportional to 140,910.60, 194,458.21 and 80,489.26 is: 111,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.60 : 194,458.21 = 80,489.26 : x
  2. Step 2: Convert to fraction form
    140,910.60/194,458.21 = 80,489.26/x
  3. Step 3: Cross multiply
    140,910.60x = 194,458.21 × 80,489.26
  4. Step 4: Simplify right side
    140,910.60x = 15,651,797,423.82
  5. Step 5: Solve for x
    x = 15,651,797,423.82/140,910.60
  6. Step 6: Final answer
    x = 111,076.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.