Home / 87,562.98-131,262.18-66,183

Finding the Fourth Proportional to 87,562.98, 131,262.18 and 66,183

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Solution

The fourth proportional to 87,562.98, 131,262.18 and 66,183 is: 99,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.98 : 131,262.18 = 66,183 : x
  2. Step 2: Convert to fraction form
    87,562.98/131,262.18 = 66,183/x
  3. Step 3: Cross multiply
    87,562.98x = 131,262.18 × 66,183
  4. Step 4: Simplify right side
    87,562.98x = 8,687,324,858.94
  5. Step 5: Solve for x
    x = 8,687,324,858.94/87,562.98
  6. Step 6: Final answer
    x = 99,212.30

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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.