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Finding the Fourth Proportional to 133,559.12, 184,311.51 and 73,129.72

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Solution

The fourth proportional to 133,559.12, 184,311.51 and 73,129.72 is: 100,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,559.12 : 184,311.51 = 73,129.72 : x
  2. Step 2: Convert to fraction form
    133,559.12/184,311.51 = 73,129.72/x
  3. Step 3: Cross multiply
    133,559.12x = 184,311.51 × 73,129.72
  4. Step 4: Simplify right side
    133,559.12x = 13,478,649,119.08
  5. Step 5: Solve for x
    x = 13,478,649,119.08/133,559.12
  6. Step 6: Final answer
    x = 100,918.97

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