Home / 180,780.56-271,131.91-74,059.86

Finding the Fourth Proportional to 180,780.56, 271,131.91 and 74,059.86

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Solution

The fourth proportional to 180,780.56, 271,131.91 and 74,059.86 is: 111,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,780.56 : 271,131.91 = 74,059.86 : x
  2. Step 2: Convert to fraction form
    180,780.56/271,131.91 = 74,059.86/x
  3. Step 3: Cross multiply
    180,780.56x = 271,131.91 × 74,059.86
  4. Step 4: Simplify right side
    180,780.56x = 20,079,992,127.73
  5. Step 5: Solve for x
    x = 20,079,992,127.73/180,780.56
  6. Step 6: Final answer
    x = 111,073.85

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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.