Home / 80,932.74-121,399.11-34,186.02

Finding the Fourth Proportional to 80,932.74, 121,399.11 and 34,186.02

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Solution

The fourth proportional to 80,932.74, 121,399.11 and 34,186.02 is: 51,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,932.74 : 121,399.11 = 34,186.02 : x
  2. Step 2: Convert to fraction form
    80,932.74/121,399.11 = 34,186.02/x
  3. Step 3: Cross multiply
    80,932.74x = 121,399.11 × 34,186.02
  4. Step 4: Simplify right side
    80,932.74x = 4,150,152,402.44
  5. Step 5: Solve for x
    x = 4,150,152,402.44/80,932.74
  6. Step 6: Final answer
    x = 51,279.03

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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.