Home / 168,418.98-252,707.22-73,636.86

Finding the Fourth Proportional to 168,418.98, 252,707.22 and 73,636.86

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Solution

The fourth proportional to 168,418.98, 252,707.22 and 73,636.86 is: 110,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,418.98 : 252,707.22 = 73,636.86 : x
  2. Step 2: Convert to fraction form
    168,418.98/252,707.22 = 73,636.86/x
  3. Step 3: Cross multiply
    168,418.98x = 252,707.22 × 73,636.86
  4. Step 4: Simplify right side
    168,418.98x = 18,608,566,180.13
  5. Step 5: Solve for x
    x = 18,608,566,180.13/168,418.98
  6. Step 6: Final answer
    x = 110,489.72

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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.