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Finding the Fourth Proportional to 133,855.13, 200,702.51 and 42,631.11

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Solution

The fourth proportional to 133,855.13, 200,702.51 and 42,631.11 is: 63,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,855.13 : 200,702.51 = 42,631.11 : x
  2. Step 2: Convert to fraction form
    133,855.13/200,702.51 = 42,631.11/x
  3. Step 3: Cross multiply
    133,855.13x = 200,702.51 × 42,631.11
  4. Step 4: Simplify right side
    133,855.13x = 8,556,170,727.80
  5. Step 5: Solve for x
    x = 8,556,170,727.80/133,855.13
  6. Step 6: Final answer
    x = 63,921.13

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