Home / 115,231.50-172,847.25-27,679.50

Finding the Fourth Proportional to 115,231.50, 172,847.25 and 27,679.50

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Solution

The fourth proportional to 115,231.50, 172,847.25 and 27,679.50 is: 41,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231.50 : 172,847.25 = 27,679.50 : x
  2. Step 2: Convert to fraction form
    115,231.50/172,847.25 = 27,679.50/x
  3. Step 3: Cross multiply
    115,231.50x = 172,847.25 × 27,679.50
  4. Step 4: Simplify right side
    115,231.50x = 4,784,325,456.38
  5. Step 5: Solve for x
    x = 4,784,325,456.38/115,231.50
  6. Step 6: Final answer
    x = 41,519.25

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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.