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Finding the Fourth Proportional to 200,709.40, 301,064.10 and 82,465.60

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Solution

The fourth proportional to 200,709.40, 301,064.10 and 82,465.60 is: 123,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,709.40 : 301,064.10 = 82,465.60 : x
  2. Step 2: Convert to fraction form
    200,709.40/301,064.10 = 82,465.60/x
  3. Step 3: Cross multiply
    200,709.40x = 301,064.10 × 82,465.60
  4. Step 4: Simplify right side
    200,709.40x = 24,827,431,644.96
  5. Step 5: Solve for x
    x = 24,827,431,644.96/200,709.40
  6. Step 6: Final answer
    x = 123,698.40

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