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Finding the Fourth Proportional to 133,602.40, 200,461.20 and 67,938.40

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Solution

The fourth proportional to 133,602.40, 200,461.20 and 67,938.40 is: 101,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,602.40 : 200,461.20 = 67,938.40 : x
  2. Step 2: Convert to fraction form
    133,602.40/200,461.20 = 67,938.40/x
  3. Step 3: Cross multiply
    133,602.40x = 200,461.20 × 67,938.40
  4. Step 4: Simplify right side
    133,602.40x = 13,619,013,190.08
  5. Step 5: Solve for x
    x = 13,619,013,190.08/133,602.40
  6. Step 6: Final answer
    x = 101,936.89

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