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Finding the Fourth Proportional to 92,251.55, 138,421.07 and 54,885.44

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Solution

The fourth proportional to 92,251.55, 138,421.07 and 54,885.44 is: 82,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,251.55 : 138,421.07 = 54,885.44 : x
  2. Step 2: Convert to fraction form
    92,251.55/138,421.07 = 54,885.44/x
  3. Step 3: Cross multiply
    92,251.55x = 138,421.07 × 54,885.44
  4. Step 4: Simplify right side
    92,251.55x = 7,597,300,365.69
  5. Step 5: Solve for x
    x = 7,597,300,365.69/92,251.55
  6. Step 6: Final answer
    x = 82,354.18

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