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Finding the Fourth Proportional to 98,142.20, 147,062.10 and 73,064.60

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Solution

The fourth proportional to 98,142.20, 147,062.10 and 73,064.60 is: 109,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,142.20 : 147,062.10 = 73,064.60 : x
  2. Step 2: Convert to fraction form
    98,142.20/147,062.10 = 73,064.60/x
  3. Step 3: Cross multiply
    98,142.20x = 147,062.10 × 73,064.60
  4. Step 4: Simplify right side
    98,142.20x = 10,745,033,511.66
  5. Step 5: Solve for x
    x = 10,745,033,511.66/98,142.20
  6. Step 6: Final answer
    x = 109,484.34

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