Home / 168,315.38-252,254.92-68,359.47

Finding the Fourth Proportional to 168,315.38, 252,254.92 and 68,359.47

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Solution

The fourth proportional to 168,315.38, 252,254.92 and 68,359.47 is: 102,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,315.38 : 252,254.92 = 68,359.47 : x
  2. Step 2: Convert to fraction form
    168,315.38/252,254.92 = 68,359.47/x
  3. Step 3: Cross multiply
    168,315.38x = 252,254.92 × 68,359.47
  4. Step 4: Simplify right side
    168,315.38x = 17,244,012,636.09
  5. Step 5: Solve for x
    x = 17,244,012,636.09/168,315.38
  6. Step 6: Final answer
    x = 102,450.61

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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.