Home / 188,385.67-259,968.04-102,342.43

Finding the Fourth Proportional to 188,385.67, 259,968.04 and 102,342.43

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Solution

The fourth proportional to 188,385.67, 259,968.04 and 102,342.43 is: 141,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,385.67 : 259,968.04 = 102,342.43 : x
  2. Step 2: Convert to fraction form
    188,385.67/259,968.04 = 102,342.43/x
  3. Step 3: Cross multiply
    188,385.67x = 259,968.04 × 102,342.43
  4. Step 4: Simplify right side
    188,385.67x = 26,605,760,935.94
  5. Step 5: Solve for x
    x = 26,605,760,935.94/188,385.67
  6. Step 6: Final answer
    x = 141,230.28

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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.