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Finding the Fourth Proportional to 168,057.40, 252,377.70 and 89,325.40

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Solution

The fourth proportional to 168,057.40, 252,377.70 and 89,325.40 is: 134,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.40 : 252,377.70 = 89,325.40 : x
  2. Step 2: Convert to fraction form
    168,057.40/252,377.70 = 89,325.40/x
  3. Step 3: Cross multiply
    168,057.40x = 252,377.70 × 89,325.40
  4. Step 4: Simplify right side
    168,057.40x = 22,543,739,003.58
  5. Step 5: Solve for x
    x = 22,543,739,003.58/168,057.40
  6. Step 6: Final answer
    x = 134,143.09

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