Home / 203,221.08-280,581.96-126,856.44

Finding the Fourth Proportional to 203,221.08, 280,581.96 and 126,856.44

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Solution

The fourth proportional to 203,221.08, 280,581.96 and 126,856.44 is: 175,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,221.08 : 280,581.96 = 126,856.44 : x
  2. Step 2: Convert to fraction form
    203,221.08/280,581.96 = 126,856.44/x
  3. Step 3: Cross multiply
    203,221.08x = 280,581.96 × 126,856.44
  4. Step 4: Simplify right side
    203,221.08x = 35,593,628,573.82
  5. Step 5: Solve for x
    x = 35,593,628,573.82/203,221.08
  6. Step 6: Final answer
    x = 175,147.33

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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.