Home / 252,738.42-379,100.31-102,941.65

Finding the Fourth Proportional to 252,738.42, 379,100.31 and 102,941.65

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Solution

The fourth proportional to 252,738.42, 379,100.31 and 102,941.65 is: 154,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,738.42 : 379,100.31 = 102,941.65 : x
  2. Step 2: Convert to fraction form
    252,738.42/379,100.31 = 102,941.65/x
  3. Step 3: Cross multiply
    252,738.42x = 379,100.31 × 102,941.65
  4. Step 4: Simplify right side
    252,738.42x = 39,025,211,426.91
  5. Step 5: Solve for x
    x = 39,025,211,426.91/252,738.42
  6. Step 6: Final answer
    x = 154,409.49

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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.