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Finding the Fourth Proportional to 108,542.40, 162,813.60 and 97,828.80

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Solution

The fourth proportional to 108,542.40, 162,813.60 and 97,828.80 is: 146,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,542.40 : 162,813.60 = 97,828.80 : x
  2. Step 2: Convert to fraction form
    108,542.40/162,813.60 = 97,828.80/x
  3. Step 3: Cross multiply
    108,542.40x = 162,813.60 × 97,828.80
  4. Step 4: Simplify right side
    108,542.40x = 15,927,859,111.68
  5. Step 5: Solve for x
    x = 15,927,859,111.68/108,542.40
  6. Step 6: Final answer
    x = 146,743.20

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