Home / 204,053.48-305,879.26-85,758.44

Finding the Fourth Proportional to 204,053.48, 305,879.26 and 85,758.44

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Solution

The fourth proportional to 204,053.48, 305,879.26 and 85,758.44 is: 128,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,053.48 : 305,879.26 = 85,758.44 : x
  2. Step 2: Convert to fraction form
    204,053.48/305,879.26 = 85,758.44/x
  3. Step 3: Cross multiply
    204,053.48x = 305,879.26 × 85,758.44
  4. Step 4: Simplify right side
    204,053.48x = 26,231,728,165.95
  5. Step 5: Solve for x
    x = 26,231,728,165.95/204,053.48
  6. Step 6: Final answer
    x = 128,553.20

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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.