Home / 151,984.82-227,910.22-80,890.30

Finding the Fourth Proportional to 151,984.82, 227,910.22 and 80,890.30

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Solution

The fourth proportional to 151,984.82, 227,910.22 and 80,890.30 is: 121,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,984.82 : 227,910.22 = 80,890.30 : x
  2. Step 2: Convert to fraction form
    151,984.82/227,910.22 = 80,890.30/x
  3. Step 3: Cross multiply
    151,984.82x = 227,910.22 × 80,890.30
  4. Step 4: Simplify right side
    151,984.82x = 18,435,726,068.87
  5. Step 5: Solve for x
    x = 18,435,726,068.87/151,984.82
  6. Step 6: Final answer
    x = 121,299.79

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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.