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Finding the Fourth Proportional to 135,058.80, 202,458.60 and 105,056.40

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Solution

The fourth proportional to 135,058.80, 202,458.60 and 105,056.40 is: 157,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,058.80 : 202,458.60 = 105,056.40 : x
  2. Step 2: Convert to fraction form
    135,058.80/202,458.60 = 105,056.40/x
  3. Step 3: Cross multiply
    135,058.80x = 202,458.60 × 105,056.40
  4. Step 4: Simplify right side
    135,058.80x = 21,269,571,665.04
  5. Step 5: Solve for x
    x = 21,269,571,665.04/135,058.80
  6. Step 6: Final answer
    x = 157,483.79

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