Home / 252,738.54-379,100.50-102,941.78

Finding the Fourth Proportional to 252,738.54, 379,100.50 and 102,941.78

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Solution

The fourth proportional to 252,738.54, 379,100.50 and 102,941.78 is: 154,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,738.54 : 379,100.50 = 102,941.78 : x
  2. Step 2: Convert to fraction form
    252,738.54/379,100.50 = 102,941.78/x
  3. Step 3: Cross multiply
    252,738.54x = 379,100.50 × 102,941.78
  4. Step 4: Simplify right side
    252,738.54x = 39,025,278,116.03
  5. Step 5: Solve for x
    x = 39,025,278,116.03/252,738.54
  6. Step 6: Final answer
    x = 154,409.68

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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.