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Finding the Fourth Proportional to 97,643.20, 146,464.80 and 55,652.80

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Solution

The fourth proportional to 97,643.20, 146,464.80 and 55,652.80 is: 83,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,643.20 : 146,464.80 = 55,652.80 : x
  2. Step 2: Convert to fraction form
    97,643.20/146,464.80 = 55,652.80/x
  3. Step 3: Cross multiply
    97,643.20x = 146,464.80 × 55,652.80
  4. Step 4: Simplify right side
    97,643.20x = 8,151,176,221.44
  5. Step 5: Solve for x
    x = 8,151,176,221.44/97,643.20
  6. Step 6: Final answer
    x = 83,479.20

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