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Finding the Fourth Proportional to 117,046.80, 175,570.20 and 67,280.40

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Solution

The fourth proportional to 117,046.80, 175,570.20 and 67,280.40 is: 100,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,046.80 : 175,570.20 = 67,280.40 : x
  2. Step 2: Convert to fraction form
    117,046.80/175,570.20 = 67,280.40/x
  3. Step 3: Cross multiply
    117,046.80x = 175,570.20 × 67,280.40
  4. Step 4: Simplify right side
    117,046.80x = 11,812,433,284.08
  5. Step 5: Solve for x
    x = 11,812,433,284.08/117,046.80
  6. Step 6: Final answer
    x = 100,920.60

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