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Finding the Fourth Proportional to 120,546.72, 180,819.12 and 36,306.48

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Solution

The fourth proportional to 120,546.72, 180,819.12 and 36,306.48 is: 54,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,546.72 : 180,819.12 = 36,306.48 : x
  2. Step 2: Convert to fraction form
    120,546.72/180,819.12 = 36,306.48/x
  3. Step 3: Cross multiply
    120,546.72x = 180,819.12 × 36,306.48
  4. Step 4: Simplify right side
    120,546.72x = 6,564,905,763.90
  5. Step 5: Solve for x
    x = 6,564,905,763.90/120,546.72
  6. Step 6: Final answer
    x = 54,459.43

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