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Finding the Fourth Proportional to 188,433.18, 259,858.26 and 123,787.98

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Solution

The fourth proportional to 188,433.18, 259,858.26 and 123,787.98 is: 170,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,433.18 : 259,858.26 = 123,787.98 : x
  2. Step 2: Convert to fraction form
    188,433.18/259,858.26 = 123,787.98/x
  3. Step 3: Cross multiply
    188,433.18x = 259,858.26 × 123,787.98
  4. Step 4: Simplify right side
    188,433.18x = 32,167,329,091.71
  5. Step 5: Solve for x
    x = 32,167,329,091.71/188,433.18
  6. Step 6: Final answer
    x = 170,709.47

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