Home / 168,619.20-252,933.12-79,851.84

Finding the Fourth Proportional to 168,619.20, 252,933.12 and 79,851.84

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Solution

The fourth proportional to 168,619.20, 252,933.12 and 79,851.84 is: 119,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,619.20 : 252,933.12 = 79,851.84 : x
  2. Step 2: Convert to fraction form
    168,619.20/252,933.12 = 79,851.84/x
  3. Step 3: Cross multiply
    168,619.20x = 252,933.12 × 79,851.84
  4. Step 4: Simplify right side
    168,619.20x = 20,197,175,028.94
  5. Step 5: Solve for x
    x = 20,197,175,028.94/168,619.20
  6. Step 6: Final answer
    x = 119,779.81

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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.