Home / 87,936.22-131,903.10-21,376.14

Finding the Fourth Proportional to 87,936.22, 131,903.10 and 21,376.14

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Solution

The fourth proportional to 87,936.22, 131,903.10 and 21,376.14 is: 32,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936.22 : 131,903.10 = 21,376.14 : x
  2. Step 2: Convert to fraction form
    87,936.22/131,903.10 = 21,376.14/x
  3. Step 3: Cross multiply
    87,936.22x = 131,903.10 × 21,376.14
  4. Step 4: Simplify right side
    87,936.22x = 2,819,579,132.03
  5. Step 5: Solve for x
    x = 2,819,579,132.03/87,936.22
  6. Step 6: Final answer
    x = 32,063.91

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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.