Home / 168,766.38-252,858.69-111,804.75

Finding the Fourth Proportional to 168,766.38, 252,858.69 and 111,804.75

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Solution

The fourth proportional to 168,766.38, 252,858.69 and 111,804.75 is: 167,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,766.38 : 252,858.69 = 111,804.75 : x
  2. Step 2: Convert to fraction form
    168,766.38/252,858.69 = 111,804.75/x
  3. Step 3: Cross multiply
    168,766.38x = 252,858.69 × 111,804.75
  4. Step 4: Simplify right side
    168,766.38x = 28,270,802,620.78
  5. Step 5: Solve for x
    x = 28,270,802,620.78/168,766.38
  6. Step 6: Final answer
    x = 167,514.42

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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.