Home / 87,841.44-131,893.37-86,529.24

Finding the Fourth Proportional to 87,841.44, 131,893.37 and 86,529.24

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Solution

The fourth proportional to 87,841.44, 131,893.37 and 86,529.24 is: 129,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841.44 : 131,893.37 = 86,529.24 : x
  2. Step 2: Convert to fraction form
    87,841.44/131,893.37 = 86,529.24/x
  3. Step 3: Cross multiply
    87,841.44x = 131,893.37 × 86,529.24
  4. Step 4: Simplify right side
    87,841.44x = 11,412,633,067.14
  5. Step 5: Solve for x
    x = 11,412,633,067.14/87,841.44
  6. Step 6: Final answer
    x = 129,923.11

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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.