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Finding the Fourth Proportional to 140,907.64, 194,460.37 and 80,497.90

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Solution

The fourth proportional to 140,907.64, 194,460.37 and 80,497.90 is: 111,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,907.64 : 194,460.37 = 80,497.90 : x
  2. Step 2: Convert to fraction form
    140,907.64/194,460.37 = 80,497.90/x
  3. Step 3: Cross multiply
    140,907.64x = 194,460.37 × 80,497.90
  4. Step 4: Simplify right side
    140,907.64x = 15,653,651,418.22
  5. Step 5: Solve for x
    x = 15,653,651,418.22/140,907.64
  6. Step 6: Final answer
    x = 111,091.57

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