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Finding the Fourth Proportional to 100,936.38, 151,261.80 and 55,977.63

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Solution

The fourth proportional to 100,936.38, 151,261.80 and 55,977.63 is: 83,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.38 : 151,261.80 = 55,977.63 : x
  2. Step 2: Convert to fraction form
    100,936.38/151,261.80 = 55,977.63/x
  3. Step 3: Cross multiply
    100,936.38x = 151,261.80 × 55,977.63
  4. Step 4: Simplify right side
    100,936.38x = 8,467,277,073.53
  5. Step 5: Solve for x
    x = 8,467,277,073.53/100,936.38
  6. Step 6: Final answer
    x = 83,887.27

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