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Finding the Fourth Proportional to 97,725.60, 146,588.40 and 83,728.80

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Solution

The fourth proportional to 97,725.60, 146,588.40 and 83,728.80 is: 125,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,725.60 : 146,588.40 = 83,728.80 : x
  2. Step 2: Convert to fraction form
    97,725.60/146,588.40 = 83,728.80/x
  3. Step 3: Cross multiply
    97,725.60x = 146,588.40 × 83,728.80
  4. Step 4: Simplify right side
    97,725.60x = 12,273,670,825.92
  5. Step 5: Solve for x
    x = 12,273,670,825.92/97,725.60
  6. Step 6: Final answer
    x = 125,593.20

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