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Finding the Fourth Proportional to 119,620.80, 179,344.80 and 67,046.40

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Solution

The fourth proportional to 119,620.80, 179,344.80 and 67,046.40 is: 100,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,620.80 : 179,344.80 = 67,046.40 : x
  2. Step 2: Convert to fraction form
    119,620.80/179,344.80 = 67,046.40/x
  3. Step 3: Cross multiply
    119,620.80x = 179,344.80 × 67,046.40
  4. Step 4: Simplify right side
    119,620.80x = 12,024,423,198.72
  5. Step 5: Solve for x
    x = 12,024,423,198.72/119,620.80
  6. Step 6: Final answer
    x = 100,521.17

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