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Finding the Fourth Proportional to 147,924.80, 221,887.20 and 42,747.20

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Solution

The fourth proportional to 147,924.80, 221,887.20 and 42,747.20 is: 64,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,924.80 : 221,887.20 = 42,747.20 : x
  2. Step 2: Convert to fraction form
    147,924.80/221,887.20 = 42,747.20/x
  3. Step 3: Cross multiply
    147,924.80x = 221,887.20 × 42,747.20
  4. Step 4: Simplify right side
    147,924.80x = 9,485,056,515.84
  5. Step 5: Solve for x
    x = 9,485,056,515.84/147,924.80
  6. Step 6: Final answer
    x = 64,120.80

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