Home / 80,116.28-120,176.87-27,525

Finding the Fourth Proportional to 80,116.28, 120,176.87 and 27,525

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Solution

The fourth proportional to 80,116.28, 120,176.87 and 27,525 is: 41,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,116.28 : 120,176.87 = 27,525 : x
  2. Step 2: Convert to fraction form
    80,116.28/120,176.87 = 27,525/x
  3. Step 3: Cross multiply
    80,116.28x = 120,176.87 × 27,525
  4. Step 4: Simplify right side
    80,116.28x = 3,307,868,209.13
  5. Step 5: Solve for x
    x = 3,307,868,209.13/80,116.28
  6. Step 6: Final answer
    x = 41,288.34

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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.