Home / 87,936.35-131,903.33-21,376.26

Finding the Fourth Proportional to 87,936.35, 131,903.33 and 21,376.26

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Solution

The fourth proportional to 87,936.35, 131,903.33 and 21,376.26 is: 32,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936.35 : 131,903.33 = 21,376.26 : x
  2. Step 2: Convert to fraction form
    87,936.35/131,903.33 = 21,376.26/x
  3. Step 3: Cross multiply
    87,936.35x = 131,903.33 × 21,376.26
  4. Step 4: Simplify right side
    87,936.35x = 2,819,599,770.06
  5. Step 5: Solve for x
    x = 2,819,599,770.06/87,936.35
  6. Step 6: Final answer
    x = 32,064.10

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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.