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Finding the Fourth Proportional to 188,732.58, 282,661.38 and 113,688.78

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Solution

The fourth proportional to 188,732.58, 282,661.38 and 113,688.78 is: 170,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732.58 : 282,661.38 = 113,688.78 : x
  2. Step 2: Convert to fraction form
    188,732.58/282,661.38 = 113,688.78/x
  3. Step 3: Cross multiply
    188,732.58x = 282,661.38 × 113,688.78
  4. Step 4: Simplify right side
    188,732.58x = 32,135,427,445.32
  5. Step 5: Solve for x
    x = 32,135,427,445.32/188,732.58
  6. Step 6: Final answer
    x = 170,269.63

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