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Finding the Fourth Proportional to 110,307.92, 165,487.82 and 31,423.28

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Solution

The fourth proportional to 110,307.92, 165,487.82 and 31,423.28 is: 47,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307.92 : 165,487.82 = 31,423.28 : x
  2. Step 2: Convert to fraction form
    110,307.92/165,487.82 = 31,423.28/x
  3. Step 3: Cross multiply
    110,307.92x = 165,487.82 × 31,423.28
  4. Step 4: Simplify right side
    110,307.92x = 5,200,170,104.45
  5. Step 5: Solve for x
    x = 5,200,170,104.45/110,307.92
  6. Step 6: Final answer
    x = 47,142.31

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