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Finding the Fourth Proportional to 135,492.72, 203,249.61 and 40,715.52

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Solution

The fourth proportional to 135,492.72, 203,249.61 and 40,715.52 is: 61,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,492.72 : 203,249.61 = 40,715.52 : x
  2. Step 2: Convert to fraction form
    135,492.72/203,249.61 = 40,715.52/x
  3. Step 3: Cross multiply
    135,492.72x = 203,249.61 × 40,715.52
  4. Step 4: Simplify right side
    135,492.72x = 8,275,413,560.95
  5. Step 5: Solve for x
    x = 8,275,413,560.95/135,492.72
  6. Step 6: Final answer
    x = 61,076.44

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