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Finding the Fourth Proportional to 154,437.80, 231,656.70 and 92,229.80

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Solution

The fourth proportional to 154,437.80, 231,656.70 and 92,229.80 is: 138,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.80 : 231,656.70 = 92,229.80 : x
  2. Step 2: Convert to fraction form
    154,437.80/231,656.70 = 92,229.80/x
  3. Step 3: Cross multiply
    154,437.80x = 231,656.70 × 92,229.80
  4. Step 4: Simplify right side
    154,437.80x = 21,365,651,109.66
  5. Step 5: Solve for x
    x = 21,365,651,109.66/154,437.80
  6. Step 6: Final answer
    x = 138,344.70

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