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Finding the Fourth Proportional to 98,623.40, 147,862.20 and 54,300.20

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Solution

The fourth proportional to 98,623.40, 147,862.20 and 54,300.20 is: 81,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.40 : 147,862.20 = 54,300.20 : x
  2. Step 2: Convert to fraction form
    98,623.40/147,862.20 = 54,300.20/x
  3. Step 3: Cross multiply
    98,623.40x = 147,862.20 × 54,300.20
  4. Step 4: Simplify right side
    98,623.40x = 8,028,947,032.44
  5. Step 5: Solve for x
    x = 8,028,947,032.44/98,623.40
  6. Step 6: Final answer
    x = 81,410.16

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