Home / 188,139.75-259,633.04-107,568.96

Finding the Fourth Proportional to 188,139.75, 259,633.04 and 107,568.96

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Solution

The fourth proportional to 188,139.75, 259,633.04 and 107,568.96 is: 148,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,139.75 : 259,633.04 = 107,568.96 : x
  2. Step 2: Convert to fraction form
    188,139.75/259,633.04 = 107,568.96/x
  3. Step 3: Cross multiply
    188,139.75x = 259,633.04 × 107,568.96
  4. Step 4: Simplify right side
    188,139.75x = 27,928,455,556.59
  5. Step 5: Solve for x
    x = 27,928,455,556.59/188,139.75
  6. Step 6: Final answer
    x = 148,445.27

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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.