Home / 204,514.10-306,628.78-90,600.06

Finding the Fourth Proportional to 204,514.10, 306,628.78 and 90,600.06

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Solution

The fourth proportional to 204,514.10, 306,628.78 and 90,600.06 is: 135,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,514.10 : 306,628.78 = 90,600.06 : x
  2. Step 2: Convert to fraction form
    204,514.10/306,628.78 = 90,600.06/x
  3. Step 3: Cross multiply
    204,514.10x = 306,628.78 × 90,600.06
  4. Step 4: Simplify right side
    204,514.10x = 27,780,585,865.73
  5. Step 5: Solve for x
    x = 27,780,585,865.73/204,514.10
  6. Step 6: Final answer
    x = 135,837.02

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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.