Home / 87,943.01-131,942.77-28,765.22

Finding the Fourth Proportional to 87,943.01, 131,942.77 and 28,765.22

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Solution

The fourth proportional to 87,943.01, 131,942.77 and 28,765.22 is: 43,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,943.01 : 131,942.77 = 28,765.22 : x
  2. Step 2: Convert to fraction form
    87,943.01/131,942.77 = 28,765.22/x
  3. Step 3: Cross multiply
    87,943.01x = 131,942.77 × 28,765.22
  4. Step 4: Simplify right side
    87,943.01x = 3,795,363,064.40
  5. Step 5: Solve for x
    x = 3,795,363,064.40/87,943.01
  6. Step 6: Final answer
    x = 43,157.07

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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.