Home / 146,375.44-202,002.06-82,711.78

Finding the Fourth Proportional to 146,375.44, 202,002.06 and 82,711.78

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Solution

The fourth proportional to 146,375.44, 202,002.06 and 82,711.78 is: 114,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,375.44 : 202,002.06 = 82,711.78 : x
  2. Step 2: Convert to fraction form
    146,375.44/202,002.06 = 82,711.78/x
  3. Step 3: Cross multiply
    146,375.44x = 202,002.06 × 82,711.78
  4. Step 4: Simplify right side
    146,375.44x = 16,707,949,946.27
  5. Step 5: Solve for x
    x = 16,707,949,946.27/146,375.44
  6. Step 6: Final answer
    x = 114,144.49

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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.