Home / 204,128.48-306,229.44-84,118.61

Finding the Fourth Proportional to 204,128.48, 306,229.44 and 84,118.61

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Solution

The fourth proportional to 204,128.48, 306,229.44 and 84,118.61 is: 126,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.48 : 306,229.44 = 84,118.61 : x
  2. Step 2: Convert to fraction form
    204,128.48/306,229.44 = 84,118.61/x
  3. Step 3: Cross multiply
    204,128.48x = 306,229.44 × 84,118.61
  4. Step 4: Simplify right side
    204,128.48x = 25,759,594,833.88
  5. Step 5: Solve for x
    x = 25,759,594,833.88/204,128.48
  6. Step 6: Final answer
    x = 126,193.05

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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.