Home / 87,968.10-131,952.42-21,408.24

Finding the Fourth Proportional to 87,968.10, 131,952.42 and 21,408.24

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Solution

The fourth proportional to 87,968.10, 131,952.42 and 21,408.24 is: 32,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.10 : 131,952.42 = 21,408.24 : x
  2. Step 2: Convert to fraction form
    87,968.10/131,952.42 = 21,408.24/x
  3. Step 3: Cross multiply
    87,968.10x = 131,952.42 × 21,408.24
  4. Step 4: Simplify right side
    87,968.10x = 2,824,869,075.94
  5. Step 5: Solve for x
    x = 2,824,869,075.94/87,968.10
  6. Step 6: Final answer
    x = 32,112.43

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Similar ratio
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1.5x scale

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.