Home / 188,213.77-259,736.87-102,173.42

Finding the Fourth Proportional to 188,213.77, 259,736.87 and 102,173.42

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Solution

The fourth proportional to 188,213.77, 259,736.87 and 102,173.42 is: 141,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,213.77 : 259,736.87 = 102,173.42 : x
  2. Step 2: Convert to fraction form
    188,213.77/259,736.87 = 102,173.42/x
  3. Step 3: Cross multiply
    188,213.77x = 259,736.87 × 102,173.42
  4. Step 4: Simplify right side
    188,213.77x = 26,538,204,308.00
  5. Step 5: Solve for x
    x = 26,538,204,308.00/188,213.77
  6. Step 6: Final answer
    x = 141,000.33

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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.