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Finding the Fourth Proportional to 123,287.60, 184,823.40 and 83,716.40

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Solution

The fourth proportional to 123,287.60, 184,823.40 and 83,716.40 is: 125,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,287.60 : 184,823.40 = 83,716.40 : x
  2. Step 2: Convert to fraction form
    123,287.60/184,823.40 = 83,716.40/x
  3. Step 3: Cross multiply
    123,287.60x = 184,823.40 × 83,716.40
  4. Step 4: Simplify right side
    123,287.60x = 15,472,749,683.76
  5. Step 5: Solve for x
    x = 15,472,749,683.76/123,287.60
  6. Step 6: Final answer
    x = 125,501.26

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