Home / 178,949.78-246,923.94-102,456.80

Finding the Fourth Proportional to 178,949.78, 246,923.94 and 102,456.80

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Solution

The fourth proportional to 178,949.78, 246,923.94 and 102,456.80 is: 141,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,949.78 : 246,923.94 = 102,456.80 : x
  2. Step 2: Convert to fraction form
    178,949.78/246,923.94 = 102,456.80/x
  3. Step 3: Cross multiply
    178,949.78x = 246,923.94 × 102,456.80
  4. Step 4: Simplify right side
    178,949.78x = 25,299,036,735.79
  5. Step 5: Solve for x
    x = 25,299,036,735.79/178,949.78
  6. Step 6: Final answer
    x = 141,375.06

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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.