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Finding the Fourth Proportional to 97,731.20, 146,596.80 and 83,734.40

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Solution

The fourth proportional to 97,731.20, 146,596.80 and 83,734.40 is: 125,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.20 : 146,596.80 = 83,734.40 : x
  2. Step 2: Convert to fraction form
    97,731.20/146,596.80 = 83,734.40/x
  3. Step 3: Cross multiply
    97,731.20x = 146,596.80 × 83,734.40
  4. Step 4: Simplify right side
    97,731.20x = 12,275,195,089.92
  5. Step 5: Solve for x
    x = 12,275,195,089.92/97,731.20
  6. Step 6: Final answer
    x = 125,601.60

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