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Finding the Fourth Proportional to 108,521.20, 162,652.20 and 45,341.20

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Solution

The fourth proportional to 108,521.20, 162,652.20 and 45,341.20 is: 67,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.20 : 162,652.20 = 45,341.20 : x
  2. Step 2: Convert to fraction form
    108,521.20/162,652.20 = 45,341.20/x
  3. Step 3: Cross multiply
    108,521.20x = 162,652.20 × 45,341.20
  4. Step 4: Simplify right side
    108,521.20x = 7,374,845,930.64
  5. Step 5: Solve for x
    x = 7,374,845,930.64/108,521.20
  6. Step 6: Final answer
    x = 67,957.65

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