Home / 87,906.70-131,869.23-25,577.20

Finding the Fourth Proportional to 87,906.70, 131,869.23 and 25,577.20

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Solution

The fourth proportional to 87,906.70, 131,869.23 and 25,577.20 is: 38,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,906.70 : 131,869.23 = 25,577.20 : x
  2. Step 2: Convert to fraction form
    87,906.70/131,869.23 = 25,577.20/x
  3. Step 3: Cross multiply
    87,906.70x = 131,869.23 × 25,577.20
  4. Step 4: Simplify right side
    87,906.70x = 3,372,845,669.56
  5. Step 5: Solve for x
    x = 3,372,845,669.56/87,906.70
  6. Step 6: Final answer
    x = 38,368.47

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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.