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Finding the Fourth Proportional to 80,207.16, 120,235.08 and 27,579.84

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Solution

The fourth proportional to 80,207.16, 120,235.08 and 27,579.84 is: 41,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,207.16 : 120,235.08 = 27,579.84 : x
  2. Step 2: Convert to fraction form
    80,207.16/120,235.08 = 27,579.84/x
  3. Step 3: Cross multiply
    80,207.16x = 120,235.08 × 27,579.84
  4. Step 4: Simplify right side
    80,207.16x = 3,316,064,268.79
  5. Step 5: Solve for x
    x = 3,316,064,268.79/80,207.16
  6. Step 6: Final answer
    x = 41,343.74

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