Home / 188,135.82-259,626.08-102,092.64

Finding the Fourth Proportional to 188,135.82, 259,626.08 and 102,092.64

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Solution

The fourth proportional to 188,135.82, 259,626.08 and 102,092.64 is: 140,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,135.82 : 259,626.08 = 102,092.64 : x
  2. Step 2: Convert to fraction form
    188,135.82/259,626.08 = 102,092.64/x
  3. Step 3: Cross multiply
    188,135.82x = 259,626.08 × 102,092.64
  4. Step 4: Simplify right side
    188,135.82x = 26,505,910,111.46
  5. Step 5: Solve for x
    x = 26,505,910,111.46/188,135.82
  6. Step 6: Final answer
    x = 140,887.10

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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.