Home / 87,349.52-131,051.97-31,188.44

Finding the Fourth Proportional to 87,349.52, 131,051.97 and 31,188.44

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Solution

The fourth proportional to 87,349.52, 131,051.97 and 31,188.44 is: 46,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,349.52 : 131,051.97 = 31,188.44 : x
  2. Step 2: Convert to fraction form
    87,349.52/131,051.97 = 31,188.44/x
  3. Step 3: Cross multiply
    87,349.52x = 131,051.97 × 31,188.44
  4. Step 4: Simplify right side
    87,349.52x = 4,087,305,847.97
  5. Step 5: Solve for x
    x = 4,087,305,847.97/87,349.52
  6. Step 6: Final answer
    x = 46,792.54

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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.