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Finding the Fourth Proportional to 120,905.48, 166,846.22 and 67,189.14

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Solution

The fourth proportional to 120,905.48, 166,846.22 and 67,189.14 is: 92,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,905.48 : 166,846.22 = 67,189.14 : x
  2. Step 2: Convert to fraction form
    120,905.48/166,846.22 = 67,189.14/x
  3. Step 3: Cross multiply
    120,905.48x = 166,846.22 × 67,189.14
  4. Step 4: Simplify right side
    120,905.48x = 11,210,254,034.05
  5. Step 5: Solve for x
    x = 11,210,254,034.05/120,905.48
  6. Step 6: Final answer
    x = 92,719.16

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