Home / 80,206.28-120,305.02-27,614.60

Finding the Fourth Proportional to 80,206.28, 120,305.02 and 27,614.60

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Solution

The fourth proportional to 80,206.28, 120,305.02 and 27,614.60 is: 41,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206.28 : 120,305.02 = 27,614.60 : x
  2. Step 2: Convert to fraction form
    80,206.28/120,305.02 = 27,614.60/x
  3. Step 3: Cross multiply
    80,206.28x = 120,305.02 × 27,614.60
  4. Step 4: Simplify right side
    80,206.28x = 3,322,175,005.29
  5. Step 5: Solve for x
    x = 3,322,175,005.29/80,206.28
  6. Step 6: Final answer
    x = 41,420.39

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1.5x scale

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.