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Finding the Fourth Proportional to 154,437.73, 231,806.39 and 74,531.94

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Solution

The fourth proportional to 154,437.73, 231,806.39 and 74,531.94 is: 111,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.73 : 231,806.39 = 74,531.94 : x
  2. Step 2: Convert to fraction form
    154,437.73/231,806.39 = 74,531.94/x
  3. Step 3: Cross multiply
    154,437.73x = 231,806.39 × 74,531.94
  4. Step 4: Simplify right side
    154,437.73x = 17,276,979,951.10
  5. Step 5: Solve for x
    x = 17,276,979,951.10/154,437.73
  6. Step 6: Final answer
    x = 111,870.20

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