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Finding the Fourth Proportional to 98,729.20, 148,115.40 and 48,833.20

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Solution

The fourth proportional to 98,729.20, 148,115.40 and 48,833.20 is: 73,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.20 : 148,115.40 = 48,833.20 : x
  2. Step 2: Convert to fraction form
    98,729.20/148,115.40 = 48,833.20/x
  3. Step 3: Cross multiply
    98,729.20x = 148,115.40 × 48,833.20
  4. Step 4: Simplify right side
    98,729.20x = 7,232,948,951.28
  5. Step 5: Solve for x
    x = 7,232,948,951.28/98,729.20
  6. Step 6: Final answer
    x = 73,260.48

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