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Finding the Fourth Proportional to 135,498.42, 203,249.34 and 64,427.76

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Solution

The fourth proportional to 135,498.42, 203,249.34 and 64,427.76 is: 96,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,498.42 : 203,249.34 = 64,427.76 : x
  2. Step 2: Convert to fraction form
    135,498.42/203,249.34 = 64,427.76/x
  3. Step 3: Cross multiply
    135,498.42x = 203,249.34 × 64,427.76
  4. Step 4: Simplify right side
    135,498.42x = 13,094,899,697.68
  5. Step 5: Solve for x
    x = 13,094,899,697.68/135,498.42
  6. Step 6: Final answer
    x = 96,642.45

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