Home / 87,338.20-131,007.30-25,008.70

Finding the Fourth Proportional to 87,338.20, 131,007.30 and 25,008.70

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Solution

The fourth proportional to 87,338.20, 131,007.30 and 25,008.70 is: 37,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.20 : 131,007.30 = 25,008.70 : x
  2. Step 2: Convert to fraction form
    87,338.20/131,007.30 = 25,008.70/x
  3. Step 3: Cross multiply
    87,338.20x = 131,007.30 × 25,008.70
  4. Step 4: Simplify right side
    87,338.20x = 3,276,322,263.51
  5. Step 5: Solve for x
    x = 3,276,322,263.51/87,338.20
  6. Step 6: Final answer
    x = 37,513.05

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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.