Home / 168,251.45-252,489.39-87,273.09

Finding the Fourth Proportional to 168,251.45, 252,489.39 and 87,273.09

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Solution

The fourth proportional to 168,251.45, 252,489.39 and 87,273.09 is: 130,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,251.45 : 252,489.39 = 87,273.09 : x
  2. Step 2: Convert to fraction form
    168,251.45/252,489.39 = 87,273.09/x
  3. Step 3: Cross multiply
    168,251.45x = 252,489.39 × 87,273.09
  4. Step 4: Simplify right side
    168,251.45x = 22,035,529,257.52
  5. Step 5: Solve for x
    x = 22,035,529,257.52/168,251.45
  6. Step 6: Final answer
    x = 130,967.85

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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.