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Finding the Fourth Proportional to 154,586.80, 231,880.20 and 75,660.40

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Solution

The fourth proportional to 154,586.80, 231,880.20 and 75,660.40 is: 113,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,586.80 : 231,880.20 = 75,660.40 : x
  2. Step 2: Convert to fraction form
    154,586.80/231,880.20 = 75,660.40/x
  3. Step 3: Cross multiply
    154,586.80x = 231,880.20 × 75,660.40
  4. Step 4: Simplify right side
    154,586.80x = 17,544,148,684.08
  5. Step 5: Solve for x
    x = 17,544,148,684.08/154,586.80
  6. Step 6: Final answer
    x = 113,490.60

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