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Finding the Fourth Proportional to 108,469.20, 162,703.80 and 98,792.40

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Solution

The fourth proportional to 108,469.20, 162,703.80 and 98,792.40 is: 148,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,469.20 : 162,703.80 = 98,792.40 : x
  2. Step 2: Convert to fraction form
    108,469.20/162,703.80 = 98,792.40/x
  3. Step 3: Cross multiply
    108,469.20x = 162,703.80 × 98,792.40
  4. Step 4: Simplify right side
    108,469.20x = 16,073,898,891.12
  5. Step 5: Solve for x
    x = 16,073,898,891.12/108,469.20
  6. Step 6: Final answer
    x = 148,188.60

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