Home / 87,986.88-131,952.51-28,808.94

Finding the Fourth Proportional to 87,986.88, 131,952.51 and 28,808.94

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Solution

The fourth proportional to 87,986.88, 131,952.51 and 28,808.94 is: 43,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,986.88 : 131,952.51 = 28,808.94 : x
  2. Step 2: Convert to fraction form
    87,986.88/131,952.51 = 28,808.94/x
  3. Step 3: Cross multiply
    87,986.88x = 131,952.51 × 28,808.94
  4. Step 4: Simplify right side
    87,986.88x = 3,801,411,943.44
  5. Step 5: Solve for x
    x = 3,801,411,943.44/87,986.88
  6. Step 6: Final answer
    x = 43,204.30

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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.