Home / 205,334.72-283,366.56-120,512.96

Finding the Fourth Proportional to 205,334.72, 283,366.56 and 120,512.96

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Solution

The fourth proportional to 205,334.72, 283,366.56 and 120,512.96 is: 166,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,334.72 : 283,366.56 = 120,512.96 : x
  2. Step 2: Convert to fraction form
    205,334.72/283,366.56 = 120,512.96/x
  3. Step 3: Cross multiply
    205,334.72x = 283,366.56 × 120,512.96
  4. Step 4: Simplify right side
    205,334.72x = 34,149,342,910.62
  5. Step 5: Solve for x
    x = 34,149,342,910.62/205,334.72
  6. Step 6: Final answer
    x = 166,310.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.