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Finding the Fourth Proportional to 122,809.10, 184,105.65 and 83,237.90

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Solution

The fourth proportional to 122,809.10, 184,105.65 and 83,237.90 is: 124,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,809.10 : 184,105.65 = 83,237.90 : x
  2. Step 2: Convert to fraction form
    122,809.10/184,105.65 = 83,237.90/x
  3. Step 3: Cross multiply
    122,809.10x = 184,105.65 × 83,237.90
  4. Step 4: Simplify right side
    122,809.10x = 15,324,567,684.14
  5. Step 5: Solve for x
    x = 15,324,567,684.14/122,809.10
  6. Step 6: Final answer
    x = 124,783.65

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