Home / 80,102.97-120,151.74-38,003.22

Finding the Fourth Proportional to 80,102.97, 120,151.74 and 38,003.22

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Solution

The fourth proportional to 80,102.97, 120,151.74 and 38,003.22 is: 57,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,102.97 : 120,151.74 = 38,003.22 : x
  2. Step 2: Convert to fraction form
    80,102.97/120,151.74 = 38,003.22/x
  3. Step 3: Cross multiply
    80,102.97x = 120,151.74 × 38,003.22
  4. Step 4: Simplify right side
    80,102.97x = 4,566,153,008.60
  5. Step 5: Solve for x
    x = 4,566,153,008.60/80,102.97
  6. Step 6: Final answer
    x = 57,003.54

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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.