Home / 203,041.24-280,204.38-111,166.96

Finding the Fourth Proportional to 203,041.24, 280,204.38 and 111,166.96

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Solution

The fourth proportional to 203,041.24, 280,204.38 and 111,166.96 is: 153,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,041.24 : 280,204.38 = 111,166.96 : x
  2. Step 2: Convert to fraction form
    203,041.24/280,204.38 = 111,166.96/x
  3. Step 3: Cross multiply
    203,041.24x = 280,204.38 × 111,166.96
  4. Step 4: Simplify right side
    203,041.24x = 31,149,469,103.28
  5. Step 5: Solve for x
    x = 31,149,469,103.28/203,041.24
  6. Step 6: Final answer
    x = 153,414.49

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1.5x scale

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.