Home / 188,239.49-259,770.88-102,198.57

Finding the Fourth Proportional to 188,239.49, 259,770.88 and 102,198.57

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Solution

The fourth proportional to 188,239.49, 259,770.88 and 102,198.57 is: 141,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,239.49 : 259,770.88 = 102,198.57 : x
  2. Step 2: Convert to fraction form
    188,239.49/259,770.88 = 102,198.57/x
  3. Step 3: Cross multiply
    188,239.49x = 259,770.88 × 102,198.57
  4. Step 4: Simplify right side
    188,239.49x = 26,548,212,463.64
  5. Step 5: Solve for x
    x = 26,548,212,463.64/188,239.49
  6. Step 6: Final answer
    x = 141,034.23

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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.