Home / 252,005.26-378,010.72-107,891.68

Finding the Fourth Proportional to 252,005.26, 378,010.72 and 107,891.68

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Solution

The fourth proportional to 252,005.26, 378,010.72 and 107,891.68 is: 161,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,005.26 : 378,010.72 = 107,891.68 : x
  2. Step 2: Convert to fraction form
    252,005.26/378,010.72 = 107,891.68/x
  3. Step 3: Cross multiply
    252,005.26x = 378,010.72 × 107,891.68
  4. Step 4: Simplify right side
    252,005.26x = 40,784,211,638.81
  5. Step 5: Solve for x
    x = 40,784,211,638.81/252,005.26
  6. Step 6: Final answer
    x = 161,838.73

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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.