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Finding the Fourth Proportional to 201,730.80, 278,128.35 and 165,296.79

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Solution

The fourth proportional to 201,730.80, 278,128.35 and 165,296.79 is: 227,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,730.80 : 278,128.35 = 165,296.79 : x
  2. Step 2: Convert to fraction form
    201,730.80/278,128.35 = 165,296.79/x
  3. Step 3: Cross multiply
    201,730.80x = 278,128.35 × 165,296.79
  4. Step 4: Simplify right side
    201,730.80x = 45,973,723,463.00
  5. Step 5: Solve for x
    x = 45,973,723,463.00/201,730.80
  6. Step 6: Final answer
    x = 227,896.40

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