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Finding the Fourth Proportional to 165,761.70, 228,752.67 and 90,310.20

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Solution

The fourth proportional to 165,761.70, 228,752.67 and 90,310.20 is: 124,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,761.70 : 228,752.67 = 90,310.20 : x
  2. Step 2: Convert to fraction form
    165,761.70/228,752.67 = 90,310.20/x
  3. Step 3: Cross multiply
    165,761.70x = 228,752.67 × 90,310.20
  4. Step 4: Simplify right side
    165,761.70x = 20,658,699,378.23
  5. Step 5: Solve for x
    x = 20,658,699,378.23/165,761.70
  6. Step 6: Final answer
    x = 124,628.91

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