Home / 87,868.36-131,815.74-25,530.76

Finding the Fourth Proportional to 87,868.36, 131,815.74 and 25,530.76

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Solution

The fourth proportional to 87,868.36, 131,815.74 and 25,530.76 is: 38,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,868.36 : 131,815.74 = 25,530.76 : x
  2. Step 2: Convert to fraction form
    87,868.36/131,815.74 = 25,530.76/x
  3. Step 3: Cross multiply
    87,868.36x = 131,815.74 × 25,530.76
  4. Step 4: Simplify right side
    87,868.36x = 3,365,356,022.16
  5. Step 5: Solve for x
    x = 3,365,356,022.16/87,868.36
  6. Step 6: Final answer
    x = 38,299.98

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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.