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Finding the Fourth Proportional to 120,079.20, 179,924.40 and 75,626.40

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Solution

The fourth proportional to 120,079.20, 179,924.40 and 75,626.40 is: 113,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,079.20 : 179,924.40 = 75,626.40 : x
  2. Step 2: Convert to fraction form
    120,079.20/179,924.40 = 75,626.40/x
  3. Step 3: Cross multiply
    120,079.20x = 179,924.40 × 75,626.40
  4. Step 4: Simplify right side
    120,079.20x = 13,607,034,644.16
  5. Step 5: Solve for x
    x = 13,607,034,644.16/120,079.20
  6. Step 6: Final answer
    x = 113,317.17

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