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Finding the Fourth Proportional to 188,097.45, 282,189.12 and 81,499.11

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Solution

The fourth proportional to 188,097.45, 282,189.12 and 81,499.11 is: 122,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,097.45 : 282,189.12 = 81,499.11 : x
  2. Step 2: Convert to fraction form
    188,097.45/282,189.12 = 81,499.11/x
  3. Step 3: Cross multiply
    188,097.45x = 282,189.12 × 81,499.11
  4. Step 4: Simplify right side
    188,097.45x = 22,998,162,131.68
  5. Step 5: Solve for x
    x = 22,998,162,131.68/188,097.45
  6. Step 6: Final answer
    x = 122,267.27

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