Home / 140,713.04-194,165.97-80,280.20

Finding the Fourth Proportional to 140,713.04, 194,165.97 and 80,280.20

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Solution

The fourth proportional to 140,713.04, 194,165.97 and 80,280.20 is: 110,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,713.04 : 194,165.97 = 80,280.20 : x
  2. Step 2: Convert to fraction form
    140,713.04/194,165.97 = 80,280.20/x
  3. Step 3: Cross multiply
    140,713.04x = 194,165.97 × 80,280.20
  4. Step 4: Simplify right side
    140,713.04x = 15,587,682,904.79
  5. Step 5: Solve for x
    x = 15,587,682,904.79/140,713.04
  6. Step 6: Final answer
    x = 110,776.39

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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.