Home / 188,336.75-259,906.63-102,297.42

Finding the Fourth Proportional to 188,336.75, 259,906.63 and 102,297.42

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Solution

The fourth proportional to 188,336.75, 259,906.63 and 102,297.42 is: 141,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336.75 : 259,906.63 = 102,297.42 : x
  2. Step 2: Convert to fraction form
    188,336.75/259,906.63 = 102,297.42/x
  3. Step 3: Cross multiply
    188,336.75x = 259,906.63 × 102,297.42
  4. Step 4: Simplify right side
    188,336.75x = 26,587,775,878.87
  5. Step 5: Solve for x
    x = 26,587,775,878.87/188,336.75
  6. Step 6: Final answer
    x = 141,171.47

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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.