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Finding the Fourth Proportional to 133,043.40, 199,662.30 and 88,655.40

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Solution

The fourth proportional to 133,043.40, 199,662.30 and 88,655.40 is: 133,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.40 : 199,662.30 = 88,655.40 : x
  2. Step 2: Convert to fraction form
    133,043.40/199,662.30 = 88,655.40/x
  3. Step 3: Cross multiply
    133,043.40x = 199,662.30 × 88,655.40
  4. Step 4: Simplify right side
    133,043.40x = 17,701,141,071.42
  5. Step 5: Solve for x
    x = 17,701,141,071.42/133,043.40
  6. Step 6: Final answer
    x = 133,047.87

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