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Finding the Fourth Proportional to 108,645.20, 163,405.20 and 97,272.80

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Solution

The fourth proportional to 108,645.20, 163,405.20 and 97,272.80 is: 146,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645.20 : 163,405.20 = 97,272.80 : x
  2. Step 2: Convert to fraction form
    108,645.20/163,405.20 = 97,272.80/x
  3. Step 3: Cross multiply
    108,645.20x = 163,405.20 × 97,272.80
  4. Step 4: Simplify right side
    108,645.20x = 15,894,881,338.56
  5. Step 5: Solve for x
    x = 15,894,881,338.56/108,645.20
  6. Step 6: Final answer
    x = 146,300.82

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