Home / 259,213.66-388,257.87-125,813.56

Finding the Fourth Proportional to 259,213.66, 388,257.87 and 125,813.56

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Solution

The fourth proportional to 259,213.66, 388,257.87 and 125,813.56 is: 188,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,213.66 : 388,257.87 = 125,813.56 : x
  2. Step 2: Convert to fraction form
    259,213.66/388,257.87 = 125,813.56/x
  3. Step 3: Cross multiply
    259,213.66x = 388,257.87 × 125,813.56
  4. Step 4: Simplify right side
    259,213.66x = 48,848,104,822.72
  5. Step 5: Solve for x
    x = 48,848,104,822.72/259,213.66
  6. Step 6: Final answer
    x = 188,447.26

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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.