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Finding the Fourth Proportional to 73,205.40, 109,808.10 and 61,800.60

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Solution

The fourth proportional to 73,205.40, 109,808.10 and 61,800.60 is: 92,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,205.40 : 109,808.10 = 61,800.60 : x
  2. Step 2: Convert to fraction form
    73,205.40/109,808.10 = 61,800.60/x
  3. Step 3: Cross multiply
    73,205.40x = 109,808.10 × 61,800.60
  4. Step 4: Simplify right side
    73,205.40x = 6,786,206,464.86
  5. Step 5: Solve for x
    x = 6,786,206,464.86/73,205.40
  6. Step 6: Final answer
    x = 92,700.90

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