Home / 168,396.21-252,375.57-68,440.08

Finding the Fourth Proportional to 168,396.21, 252,375.57 and 68,440.08

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Solution

The fourth proportional to 168,396.21, 252,375.57 and 68,440.08 is: 102,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,396.21 : 252,375.57 = 68,440.08 : x
  2. Step 2: Convert to fraction form
    168,396.21/252,375.57 = 68,440.08/x
  3. Step 3: Cross multiply
    168,396.21x = 252,375.57 × 68,440.08
  4. Step 4: Simplify right side
    168,396.21x = 17,272,604,200.85
  5. Step 5: Solve for x
    x = 17,272,604,200.85/168,396.21
  6. Step 6: Final answer
    x = 102,571.22

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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.