Home / 87,973.73-131,958.75-21,414.23

Finding the Fourth Proportional to 87,973.73, 131,958.75 and 21,414.23

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Solution

The fourth proportional to 87,973.73, 131,958.75 and 21,414.23 is: 32,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.73 : 131,958.75 = 21,414.23 : x
  2. Step 2: Convert to fraction form
    87,973.73/131,958.75 = 21,414.23/x
  3. Step 3: Cross multiply
    87,973.73x = 131,958.75 × 21,414.23
  4. Step 4: Simplify right side
    87,973.73x = 2,825,795,023.01
  5. Step 5: Solve for x
    x = 2,825,795,023.01/87,973.73
  6. Step 6: Final answer
    x = 32,120.90

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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.