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Finding the Fourth Proportional to 108,445.20, 162,538.20 and 55,827.60

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Solution

The fourth proportional to 108,445.20, 162,538.20 and 55,827.60 is: 83,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.20 : 162,538.20 = 55,827.60 : x
  2. Step 2: Convert to fraction form
    108,445.20/162,538.20 = 55,827.60/x
  3. Step 3: Cross multiply
    108,445.20x = 162,538.20 × 55,827.60
  4. Step 4: Simplify right side
    108,445.20x = 9,074,117,614.32
  5. Step 5: Solve for x
    x = 9,074,117,614.32/108,445.20
  6. Step 6: Final answer
    x = 83,674.68

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