Home / 87,166.60-120,249.96-56,943.88

Finding the Fourth Proportional to 87,166.60, 120,249.96 and 56,943.88

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Solution

The fourth proportional to 87,166.60, 120,249.96 and 56,943.88 is: 78,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,166.60 : 120,249.96 = 56,943.88 : x
  2. Step 2: Convert to fraction form
    87,166.60/120,249.96 = 56,943.88/x
  3. Step 3: Cross multiply
    87,166.60x = 120,249.96 × 56,943.88
  4. Step 4: Simplify right side
    87,166.60x = 6,847,499,292.24
  5. Step 5: Solve for x
    x = 6,847,499,292.24/87,166.60
  6. Step 6: Final answer
    x = 78,556.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.