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Finding the Fourth Proportional to 108,617.40, 162,926.10 and 92,214.90

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Solution

The fourth proportional to 108,617.40, 162,926.10 and 92,214.90 is: 138,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,617.40 : 162,926.10 = 92,214.90 : x
  2. Step 2: Convert to fraction form
    108,617.40/162,926.10 = 92,214.90/x
  3. Step 3: Cross multiply
    108,617.40x = 162,926.10 × 92,214.90
  4. Step 4: Simplify right side
    108,617.40x = 15,024,214,018.89
  5. Step 5: Solve for x
    x = 15,024,214,018.89/108,617.40
  6. Step 6: Final answer
    x = 138,322.35

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