Home / 87,985.37-131,961.12-24,789.61

Finding the Fourth Proportional to 87,985.37, 131,961.12 and 24,789.61

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Solution

The fourth proportional to 87,985.37, 131,961.12 and 24,789.61 is: 37,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,985.37 : 131,961.12 = 24,789.61 : x
  2. Step 2: Convert to fraction form
    87,985.37/131,961.12 = 24,789.61/x
  3. Step 3: Cross multiply
    87,985.37x = 131,961.12 × 24,789.61
  4. Step 4: Simplify right side
    87,985.37x = 3,271,264,771.95
  5. Step 5: Solve for x
    x = 3,271,264,771.95/87,985.37
  6. Step 6: Final answer
    x = 37,179.64

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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.