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Finding the Fourth Proportional to 113,362.80, 170,044.20 and 107,660.40

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Solution

The fourth proportional to 113,362.80, 170,044.20 and 107,660.40 is: 161,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,362.80 : 170,044.20 = 107,660.40 : x
  2. Step 2: Convert to fraction form
    113,362.80/170,044.20 = 107,660.40/x
  3. Step 3: Cross multiply
    113,362.80x = 170,044.20 × 107,660.40
  4. Step 4: Simplify right side
    113,362.80x = 18,307,026,589.68
  5. Step 5: Solve for x
    x = 18,307,026,589.68/113,362.80
  6. Step 6: Final answer
    x = 161,490.60

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