Home / 154,067.32-230,949.78-79,223.32

Finding the Fourth Proportional to 154,067.32, 230,949.78 and 79,223.32

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Solution

The fourth proportional to 154,067.32, 230,949.78 and 79,223.32 is: 118,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,067.32 : 230,949.78 = 79,223.32 : x
  2. Step 2: Convert to fraction form
    154,067.32/230,949.78 = 79,223.32/x
  3. Step 3: Cross multiply
    154,067.32x = 230,949.78 × 79,223.32
  4. Step 4: Simplify right side
    154,067.32x = 18,296,608,324.87
  5. Step 5: Solve for x
    x = 18,296,608,324.87/154,067.32
  6. Step 6: Final answer
    x = 118,757.23

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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.