Home / 204,279.37-306,560-71,160.73

Finding the Fourth Proportional to 204,279.37, 306,560 and 71,160.73

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Solution

The fourth proportional to 204,279.37, 306,560 and 71,160.73 is: 106,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,279.37 : 306,560 = 71,160.73 : x
  2. Step 2: Convert to fraction form
    204,279.37/306,560 = 71,160.73/x
  3. Step 3: Cross multiply
    204,279.37x = 306,560 × 71,160.73
  4. Step 4: Simplify right side
    204,279.37x = 21,815,033,388.80
  5. Step 5: Solve for x
    x = 21,815,033,388.80/204,279.37
  6. Step 6: Final answer
    x = 106,790.19

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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.