Home / 188,308.13-259,801.97-106,625.25

Finding the Fourth Proportional to 188,308.13, 259,801.97 and 106,625.25

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Solution

The fourth proportional to 188,308.13, 259,801.97 and 106,625.25 is: 147,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,308.13 : 259,801.97 = 106,625.25 : x
  2. Step 2: Convert to fraction form
    188,308.13/259,801.97 = 106,625.25/x
  3. Step 3: Cross multiply
    188,308.13x = 259,801.97 × 106,625.25
  4. Step 4: Simplify right side
    188,308.13x = 27,701,449,468.62
  5. Step 5: Solve for x
    x = 27,701,449,468.62/188,308.13
  6. Step 6: Final answer
    x = 147,107.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.