Home / 168,421.44-252,539.28-68,556

Finding the Fourth Proportional to 168,421.44, 252,539.28 and 68,556

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Solution

The fourth proportional to 168,421.44, 252,539.28 and 68,556 is: 102,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,421.44 : 252,539.28 = 68,556 : x
  2. Step 2: Convert to fraction form
    168,421.44/252,539.28 = 68,556/x
  3. Step 3: Cross multiply
    168,421.44x = 252,539.28 × 68,556
  4. Step 4: Simplify right side
    168,421.44x = 17,313,082,879.68
  5. Step 5: Solve for x
    x = 17,313,082,879.68/168,421.44
  6. Step 6: Final answer
    x = 102,796.19

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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.