Home / 87,982.16-131,945.88-28,804.64

Finding the Fourth Proportional to 87,982.16, 131,945.88 and 28,804.64

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Solution

The fourth proportional to 87,982.16, 131,945.88 and 28,804.64 is: 43,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,982.16 : 131,945.88 = 28,804.64 : x
  2. Step 2: Convert to fraction form
    87,982.16/131,945.88 = 28,804.64/x
  3. Step 3: Cross multiply
    87,982.16x = 131,945.88 × 28,804.64
  4. Step 4: Simplify right side
    87,982.16x = 3,800,653,572.88
  5. Step 5: Solve for x
    x = 3,800,653,572.88/87,982.16
  6. Step 6: Final answer
    x = 43,198.00

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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.