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Finding the Fourth Proportional to 96,221.10, 144,331.65 and 90,777.90

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Solution

The fourth proportional to 96,221.10, 144,331.65 and 90,777.90 is: 136,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,221.10 : 144,331.65 = 90,777.90 : x
  2. Step 2: Convert to fraction form
    96,221.10/144,331.65 = 90,777.90/x
  3. Step 3: Cross multiply
    96,221.10x = 144,331.65 × 90,777.90
  4. Step 4: Simplify right side
    96,221.10x = 13,102,124,090.54
  5. Step 5: Solve for x
    x = 13,102,124,090.54/96,221.10
  6. Step 6: Final answer
    x = 136,166.85

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