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Finding the Fourth Proportional to 154,193.95, 231,105.84 and 79,349.41

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Solution

The fourth proportional to 154,193.95, 231,105.84 and 79,349.41 is: 118,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,193.95 : 231,105.84 = 79,349.41 : x
  2. Step 2: Convert to fraction form
    154,193.95/231,105.84 = 79,349.41/x
  3. Step 3: Cross multiply
    154,193.95x = 231,105.84 × 79,349.41
  4. Step 4: Simplify right side
    154,193.95x = 18,338,112,051.55
  5. Step 5: Solve for x
    x = 18,338,112,051.55/154,193.95
  6. Step 6: Final answer
    x = 118,928.87

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