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Finding the Fourth Proportional to 108,543.53, 162,534.89 and 74,913.32

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Solution

The fourth proportional to 108,543.53, 162,534.89 and 74,913.32 is: 112,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,543.53 : 162,534.89 = 74,913.32 : x
  2. Step 2: Convert to fraction form
    108,543.53/162,534.89 = 74,913.32/x
  3. Step 3: Cross multiply
    108,543.53x = 162,534.89 × 74,913.32
  4. Step 4: Simplify right side
    108,543.53x = 12,176,028,225.73
  5. Step 5: Solve for x
    x = 12,176,028,225.73/108,543.53
  6. Step 6: Final answer
    x = 112,176.45

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