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Finding the Fourth Proportional to 137,740.40, 206,610.60 and 48,996.80

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Solution

The fourth proportional to 137,740.40, 206,610.60 and 48,996.80 is: 73,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,740.40 : 206,610.60 = 48,996.80 : x
  2. Step 2: Convert to fraction form
    137,740.40/206,610.60 = 48,996.80/x
  3. Step 3: Cross multiply
    137,740.40x = 206,610.60 × 48,996.80
  4. Step 4: Simplify right side
    137,740.40x = 10,123,258,246.08
  5. Step 5: Solve for x
    x = 10,123,258,246.08/137,740.40
  6. Step 6: Final answer
    x = 73,495.20

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