Home / 168,250.72-252,488.31-87,272.38

Finding the Fourth Proportional to 168,250.72, 252,488.31 and 87,272.38

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Solution

The fourth proportional to 168,250.72, 252,488.31 and 87,272.38 is: 130,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,250.72 : 252,488.31 = 87,272.38 : x
  2. Step 2: Convert to fraction form
    168,250.72/252,488.31 = 87,272.38/x
  3. Step 3: Cross multiply
    168,250.72x = 252,488.31 × 87,272.38
  4. Step 4: Simplify right side
    168,250.72x = 22,035,255,735.88
  5. Step 5: Solve for x
    x = 22,035,255,735.88/168,250.72
  6. Step 6: Final answer
    x = 130,966.78

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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.