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Finding the Fourth Proportional to 168,672.80, 253,009.20 and 161,674.40

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Solution

The fourth proportional to 168,672.80, 253,009.20 and 161,674.40 is: 242,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,672.80 : 253,009.20 = 161,674.40 : x
  2. Step 2: Convert to fraction form
    168,672.80/253,009.20 = 161,674.40/x
  3. Step 3: Cross multiply
    168,672.80x = 253,009.20 × 161,674.40
  4. Step 4: Simplify right side
    168,672.80x = 40,905,110,604.48
  5. Step 5: Solve for x
    x = 40,905,110,604.48/168,672.80
  6. Step 6: Final answer
    x = 242,511.60

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