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Finding the Fourth Proportional to 119,890.46, 165,452.85 and 65,445.86

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Solution

The fourth proportional to 119,890.46, 165,452.85 and 65,445.86 is: 90,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,890.46 : 165,452.85 = 65,445.86 : x
  2. Step 2: Convert to fraction form
    119,890.46/165,452.85 = 65,445.86/x
  3. Step 3: Cross multiply
    119,890.46x = 165,452.85 × 65,445.86
  4. Step 4: Simplify right side
    119,890.46x = 10,828,203,230.44
  5. Step 5: Solve for x
    x = 10,828,203,230.44/119,890.46
  6. Step 6: Final answer
    x = 90,317.48

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