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Finding the Fourth Proportional to 110,423.45, 165,612.40 and 31,520.14

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Solution

The fourth proportional to 110,423.45, 165,612.40 and 31,520.14 is: 47,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,423.45 : 165,612.40 = 31,520.14 : x
  2. Step 2: Convert to fraction form
    110,423.45/165,612.40 = 31,520.14/x
  3. Step 3: Cross multiply
    110,423.45x = 165,612.40 × 31,520.14
  4. Step 4: Simplify right side
    110,423.45x = 5,220,125,540.90
  5. Step 5: Solve for x
    x = 5,220,125,540.90/110,423.45
  6. Step 6: Final answer
    x = 47,273.70

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