Home / 87,400.60-131,100.94-21,736.60

Finding the Fourth Proportional to 87,400.60, 131,100.94 and 21,736.60

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Solution

The fourth proportional to 87,400.60, 131,100.94 and 21,736.60 is: 32,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400.60 : 131,100.94 = 21,736.60 : x
  2. Step 2: Convert to fraction form
    87,400.60/131,100.94 = 21,736.60/x
  3. Step 3: Cross multiply
    87,400.60x = 131,100.94 × 21,736.60
  4. Step 4: Simplify right side
    87,400.60x = 2,849,688,692.40
  5. Step 5: Solve for x
    x = 2,849,688,692.40/87,400.60
  6. Step 6: Final answer
    x = 32,604.91

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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.