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Finding the Fourth Proportional to 90,126.52, 134,992.77 and 45,676.96

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Solution

The fourth proportional to 90,126.52, 134,992.77 and 45,676.96 is: 68,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,126.52 : 134,992.77 = 45,676.96 : x
  2. Step 2: Convert to fraction form
    90,126.52/134,992.77 = 45,676.96/x
  3. Step 3: Cross multiply
    90,126.52x = 134,992.77 × 45,676.96
  4. Step 4: Simplify right side
    90,126.52x = 6,166,059,355.58
  5. Step 5: Solve for x
    x = 6,166,059,355.58/90,126.52
  6. Step 6: Final answer
    x = 68,415.59

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