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Finding the Fourth Proportional to 201,623.40, 302,435.10 and 83,255.40

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Solution

The fourth proportional to 201,623.40, 302,435.10 and 83,255.40 is: 124,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,623.40 : 302,435.10 = 83,255.40 : x
  2. Step 2: Convert to fraction form
    201,623.40/302,435.10 = 83,255.40/x
  3. Step 3: Cross multiply
    201,623.40x = 302,435.10 × 83,255.40
  4. Step 4: Simplify right side
    201,623.40x = 25,179,355,224.54
  5. Step 5: Solve for x
    x = 25,179,355,224.54/201,623.40
  6. Step 6: Final answer
    x = 124,883.10

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