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Finding the Fourth Proportional to 175,666.40, 263,499.60 and 112,680.80

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Solution

The fourth proportional to 175,666.40, 263,499.60 and 112,680.80 is: 169,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,666.40 : 263,499.60 = 112,680.80 : x
  2. Step 2: Convert to fraction form
    175,666.40/263,499.60 = 112,680.80/x
  3. Step 3: Cross multiply
    175,666.40x = 263,499.60 × 112,680.80
  4. Step 4: Simplify right side
    175,666.40x = 29,691,345,727.68
  5. Step 5: Solve for x
    x = 29,691,345,727.68/175,666.40
  6. Step 6: Final answer
    x = 169,021.20

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