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Finding the Fourth Proportional to 113,818.40, 170,727.60 and 54,769.40

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Solution

The fourth proportional to 113,818.40, 170,727.60 and 54,769.40 is: 82,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.40 : 170,727.60 = 54,769.40 : x
  2. Step 2: Convert to fraction form
    113,818.40/170,727.60 = 54,769.40/x
  3. Step 3: Cross multiply
    113,818.40x = 170,727.60 × 54,769.40
  4. Step 4: Simplify right side
    113,818.40x = 9,350,648,215.44
  5. Step 5: Solve for x
    x = 9,350,648,215.44/113,818.40
  6. Step 6: Final answer
    x = 82,154.10

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