Home / 203,212.52-280,570.20-126,847.88

Finding the Fourth Proportional to 203,212.52, 280,570.20 and 126,847.88

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Solution

The fourth proportional to 203,212.52, 280,570.20 and 126,847.88 is: 175,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,212.52 : 280,570.20 = 126,847.88 : x
  2. Step 2: Convert to fraction form
    203,212.52/280,570.20 = 126,847.88/x
  3. Step 3: Cross multiply
    203,212.52x = 280,570.20 × 126,847.88
  4. Step 4: Simplify right side
    203,212.52x = 35,589,735,061.18
  5. Step 5: Solve for x
    x = 35,589,735,061.18/203,212.52
  6. Step 6: Final answer
    x = 175,135.54

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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.