Home / 188,437.80-260,042.94-102,396.36

Finding the Fourth Proportional to 188,437.80, 260,042.94 and 102,396.36

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Solution

The fourth proportional to 188,437.80, 260,042.94 and 102,396.36 is: 141,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,437.80 : 260,042.94 = 102,396.36 : x
  2. Step 2: Convert to fraction form
    188,437.80/260,042.94 = 102,396.36/x
  3. Step 3: Cross multiply
    188,437.80x = 260,042.94 × 102,396.36
  4. Step 4: Simplify right side
    188,437.80x = 26,627,450,499.70
  5. Step 5: Solve for x
    x = 26,627,450,499.70/188,437.80
  6. Step 6: Final answer
    x = 141,306.31

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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.