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Finding the Fourth Proportional to 153,914.80, 230,872.20 and 54,187.60

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Solution

The fourth proportional to 153,914.80, 230,872.20 and 54,187.60 is: 81,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,914.80 : 230,872.20 = 54,187.60 : x
  2. Step 2: Convert to fraction form
    153,914.80/230,872.20 = 54,187.60/x
  3. Step 3: Cross multiply
    153,914.80x = 230,872.20 × 54,187.60
  4. Step 4: Simplify right side
    153,914.80x = 12,510,410,424.72
  5. Step 5: Solve for x
    x = 12,510,410,424.72/153,914.80
  6. Step 6: Final answer
    x = 81,281.40

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