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Finding the Fourth Proportional to 145,178.02, 217,768.11 and 40,002.76

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Solution

The fourth proportional to 145,178.02, 217,768.11 and 40,002.76 is: 60,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,178.02 : 217,768.11 = 40,002.76 : x
  2. Step 2: Convert to fraction form
    145,178.02/217,768.11 = 40,002.76/x
  3. Step 3: Cross multiply
    145,178.02x = 217,768.11 × 40,002.76
  4. Step 4: Simplify right side
    145,178.02x = 8,711,325,439.98
  5. Step 5: Solve for x
    x = 8,711,325,439.98/145,178.02
  6. Step 6: Final answer
    x = 60,004.44

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