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Finding the Fourth Proportional to 73,148.64, 109,705.92 and 20,563.20

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Solution

The fourth proportional to 73,148.64, 109,705.92 and 20,563.20 is: 30,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,148.64 : 109,705.92 = 20,563.20 : x
  2. Step 2: Convert to fraction form
    73,148.64/109,705.92 = 20,563.20/x
  3. Step 3: Cross multiply
    73,148.64x = 109,705.92 × 20,563.20
  4. Step 4: Simplify right side
    73,148.64x = 2,255,904,774.14
  5. Step 5: Solve for x
    x = 2,255,904,774.14/73,148.64
  6. Step 6: Final answer
    x = 30,840.01

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