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Finding the Fourth Proportional to 122,949.40, 184,424.10 and 91,845.40

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Solution

The fourth proportional to 122,949.40, 184,424.10 and 91,845.40 is: 137,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.40 : 184,424.10 = 91,845.40 : x
  2. Step 2: Convert to fraction form
    122,949.40/184,424.10 = 91,845.40/x
  3. Step 3: Cross multiply
    122,949.40x = 184,424.10 × 91,845.40
  4. Step 4: Simplify right side
    122,949.40x = 16,938,505,234.14
  5. Step 5: Solve for x
    x = 16,938,505,234.14/122,949.40
  6. Step 6: Final answer
    x = 137,768.10

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