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Finding the Fourth Proportional to 103,393.73, 154,390.21 and 82,094.78

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Solution

The fourth proportional to 103,393.73, 154,390.21 and 82,094.78 is: 122,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,393.73 : 154,390.21 = 82,094.78 : x
  2. Step 2: Convert to fraction form
    103,393.73/154,390.21 = 82,094.78/x
  3. Step 3: Cross multiply
    103,393.73x = 154,390.21 × 82,094.78
  4. Step 4: Simplify right side
    103,393.73x = 12,674,630,504.84
  5. Step 5: Solve for x
    x = 12,674,630,504.84/103,393.73
  6. Step 6: Final answer
    x = 122,586.06

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