Home / 87,985.37-131,950.26-28,807.44

Finding the Fourth Proportional to 87,985.37, 131,950.26 and 28,807.44

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Solution

The fourth proportional to 87,985.37, 131,950.26 and 28,807.44 is: 43,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,985.37 : 131,950.26 = 28,807.44 : x
  2. Step 2: Convert to fraction form
    87,985.37/131,950.26 = 28,807.44/x
  3. Step 3: Cross multiply
    87,985.37x = 131,950.26 × 28,807.44
  4. Step 4: Simplify right side
    87,985.37x = 3,801,149,197.93
  5. Step 5: Solve for x
    x = 3,801,149,197.93/87,985.37
  6. Step 6: Final answer
    x = 43,202.06

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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.