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Finding the Fourth Proportional to 201,713.40, 302,570.10 and 138,727.80

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Solution

The fourth proportional to 201,713.40, 302,570.10 and 138,727.80 is: 208,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,713.40 : 302,570.10 = 138,727.80 : x
  2. Step 2: Convert to fraction form
    201,713.40/302,570.10 = 138,727.80/x
  3. Step 3: Cross multiply
    201,713.40x = 302,570.10 × 138,727.80
  4. Step 4: Simplify right side
    201,713.40x = 41,974,884,318.78
  5. Step 5: Solve for x
    x = 41,974,884,318.78/201,713.40
  6. Step 6: Final answer
    x = 208,091.70

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