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Finding the Fourth Proportional to 134,864.80, 202,353.90 and 72,462.40

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Solution

The fourth proportional to 134,864.80, 202,353.90 and 72,462.40 is: 108,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,864.80 : 202,353.90 = 72,462.40 : x
  2. Step 2: Convert to fraction form
    134,864.80/202,353.90 = 72,462.40/x
  3. Step 3: Cross multiply
    134,864.80x = 202,353.90 × 72,462.40
  4. Step 4: Simplify right side
    134,864.80x = 14,663,049,243.36
  5. Step 5: Solve for x
    x = 14,663,049,243.36/134,864.80
  6. Step 6: Final answer
    x = 108,724.06

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