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Finding the Fourth Proportional to 165,314.52, 228,158.98 and 100,821.18

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Solution

The fourth proportional to 165,314.52, 228,158.98 and 100,821.18 is: 139,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,314.52 : 228,158.98 = 100,821.18 : x
  2. Step 2: Convert to fraction form
    165,314.52/228,158.98 = 100,821.18/x
  3. Step 3: Cross multiply
    165,314.52x = 228,158.98 × 100,821.18
  4. Step 4: Simplify right side
    165,314.52x = 23,003,257,553.04
  5. Step 5: Solve for x
    x = 23,003,257,553.04/165,314.52
  6. Step 6: Final answer
    x = 139,148.44

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