Home / 87,455.50-131,205.39-25,126

Finding the Fourth Proportional to 87,455.50, 131,205.39 and 25,126

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Solution

The fourth proportional to 87,455.50, 131,205.39 and 25,126 is: 37,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455.50 : 131,205.39 = 25,126 : x
  2. Step 2: Convert to fraction form
    87,455.50/131,205.39 = 25,126/x
  3. Step 3: Cross multiply
    87,455.50x = 131,205.39 × 25,126
  4. Step 4: Simplify right side
    87,455.50x = 3,296,666,629.14
  5. Step 5: Solve for x
    x = 3,296,666,629.14/87,455.50
  6. Step 6: Final answer
    x = 37,695.36

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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.