Home / 140,760.20-194,252.20-80,329.64

Finding the Fourth Proportional to 140,760.20, 194,252.20 and 80,329.64

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Solution

The fourth proportional to 140,760.20, 194,252.20 and 80,329.64 is: 110,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,760.20 : 194,252.20 = 80,329.64 : x
  2. Step 2: Convert to fraction form
    140,760.20/194,252.20 = 80,329.64/x
  3. Step 3: Cross multiply
    140,760.20x = 194,252.20 × 80,329.64
  4. Step 4: Simplify right side
    140,760.20x = 15,604,209,295.21
  5. Step 5: Solve for x
    x = 15,604,209,295.21/140,760.20
  6. Step 6: Final answer
    x = 110,856.69

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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.