Home / 84,486.33-126,667.22-51,198.57

Finding the Fourth Proportional to 84,486.33, 126,667.22 and 51,198.57

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Solution

The fourth proportional to 84,486.33, 126,667.22 and 51,198.57 is: 76,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,486.33 : 126,667.22 = 51,198.57 : x
  2. Step 2: Convert to fraction form
    84,486.33/126,667.22 = 51,198.57/x
  3. Step 3: Cross multiply
    84,486.33x = 126,667.22 × 51,198.57
  4. Step 4: Simplify right side
    84,486.33x = 6,485,180,273.88
  5. Step 5: Solve for x
    x = 6,485,180,273.88/84,486.33
  6. Step 6: Final answer
    x = 76,760.11

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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.