Home / 188,310.98-259,868.26-102,269.36

Finding the Fourth Proportional to 188,310.98, 259,868.26 and 102,269.36

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Solution

The fourth proportional to 188,310.98, 259,868.26 and 102,269.36 is: 141,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,310.98 : 259,868.26 = 102,269.36 : x
  2. Step 2: Convert to fraction form
    188,310.98/259,868.26 = 102,269.36/x
  3. Step 3: Cross multiply
    188,310.98x = 259,868.26 × 102,269.36
  4. Step 4: Simplify right side
    188,310.98x = 26,576,560,634.51
  5. Step 5: Solve for x
    x = 26,576,560,634.51/188,310.98
  6. Step 6: Final answer
    x = 141,131.23

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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.