Home / 168,238.50-252,405.42-68,470.30

Finding the Fourth Proportional to 168,238.50, 252,405.42 and 68,470.30

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Solution

The fourth proportional to 168,238.50, 252,405.42 and 68,470.30 is: 102,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,238.50 : 252,405.42 = 68,470.30 : x
  2. Step 2: Convert to fraction form
    168,238.50/252,405.42 = 68,470.30/x
  3. Step 3: Cross multiply
    168,238.50x = 252,405.42 × 68,470.30
  4. Step 4: Simplify right side
    168,238.50x = 17,282,273,467.99
  5. Step 5: Solve for x
    x = 17,282,273,467.99/168,238.50
  6. Step 6: Final answer
    x = 102,724.84

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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.