Home / 115,198.62-158,954.76-64,200.15

Finding the Fourth Proportional to 115,198.62, 158,954.76 and 64,200.15

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Solution

The fourth proportional to 115,198.62, 158,954.76 and 64,200.15 is: 88,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,198.62 : 158,954.76 = 64,200.15 : x
  2. Step 2: Convert to fraction form
    115,198.62/158,954.76 = 64,200.15/x
  3. Step 3: Cross multiply
    115,198.62x = 158,954.76 × 64,200.15
  4. Step 4: Simplify right side
    115,198.62x = 10,204,919,435.21
  5. Step 5: Solve for x
    x = 10,204,919,435.21/115,198.62
  6. Step 6: Final answer
    x = 88,585.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.