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Finding the Fourth Proportional to 91,000.28, 136,495.44 and 27,820.37

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Solution

The fourth proportional to 91,000.28, 136,495.44 and 27,820.37 is: 41,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,000.28 : 136,495.44 = 27,820.37 : x
  2. Step 2: Convert to fraction form
    91,000.28/136,495.44 = 27,820.37/x
  3. Step 3: Cross multiply
    91,000.28x = 136,495.44 × 27,820.37
  4. Step 4: Simplify right side
    91,000.28x = 3,797,353,644.11
  5. Step 5: Solve for x
    x = 3,797,353,644.11/91,000.28
  6. Step 6: Final answer
    x = 41,729.03

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