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Finding the Fourth Proportional to 147,810.36, 203,977.98 and 80,742.36

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Solution

The fourth proportional to 147,810.36, 203,977.98 and 80,742.36 is: 111,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,810.36 : 203,977.98 = 80,742.36 : x
  2. Step 2: Convert to fraction form
    147,810.36/203,977.98 = 80,742.36/x
  3. Step 3: Cross multiply
    147,810.36x = 203,977.98 × 80,742.36
  4. Step 4: Simplify right side
    147,810.36x = 16,469,663,493.23
  5. Step 5: Solve for x
    x = 16,469,663,493.23/147,810.36
  6. Step 6: Final answer
    x = 111,424.28

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