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Finding the Fourth Proportional to 90,758.48, 136,221.96 and 46,416.92

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Solution

The fourth proportional to 90,758.48, 136,221.96 and 46,416.92 is: 69,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,758.48 : 136,221.96 = 46,416.92 : x
  2. Step 2: Convert to fraction form
    90,758.48/136,221.96 = 46,416.92/x
  3. Step 3: Cross multiply
    90,758.48x = 136,221.96 × 46,416.92
  4. Step 4: Simplify right side
    90,758.48x = 6,323,003,819.56
  5. Step 5: Solve for x
    x = 6,323,003,819.56/90,758.48
  6. Step 6: Final answer
    x = 69,668.46

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