Home / 204,255.75-306,391.86-71,149.47

Finding the Fourth Proportional to 204,255.75, 306,391.86 and 71,149.47

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Solution

The fourth proportional to 204,255.75, 306,391.86 and 71,149.47 is: 106,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,255.75 : 306,391.86 = 71,149.47 : x
  2. Step 2: Convert to fraction form
    204,255.75/306,391.86 = 71,149.47/x
  3. Step 3: Cross multiply
    204,255.75x = 306,391.86 × 71,149.47
  4. Step 4: Simplify right side
    204,255.75x = 21,799,616,919.35
  5. Step 5: Solve for x
    x = 21,799,616,919.35/204,255.75
  6. Step 6: Final answer
    x = 106,727.07

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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.