Home / 122,819.82-184,229.70-55,272.90

Finding the Fourth Proportional to 122,819.82, 184,229.70 and 55,272.90

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Solution

The fourth proportional to 122,819.82, 184,229.70 and 55,272.90 is: 82,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,819.82 : 184,229.70 = 55,272.90 : x
  2. Step 2: Convert to fraction form
    122,819.82/184,229.70 = 55,272.90/x
  3. Step 3: Cross multiply
    122,819.82x = 184,229.70 × 55,272.90
  4. Step 4: Simplify right side
    122,819.82x = 10,182,909,785.13
  5. Step 5: Solve for x
    x = 10,182,909,785.13/122,819.82
  6. Step 6: Final answer
    x = 82,909.34

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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.