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Finding the Fourth Proportional to 96,630.80, 145,237.80 and 83,800.40

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Solution

The fourth proportional to 96,630.80, 145,237.80 and 83,800.40 is: 125,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,630.80 : 145,237.80 = 83,800.40 : x
  2. Step 2: Convert to fraction form
    96,630.80/145,237.80 = 83,800.40/x
  3. Step 3: Cross multiply
    96,630.80x = 145,237.80 × 83,800.40
  4. Step 4: Simplify right side
    96,630.80x = 12,170,985,735.12
  5. Step 5: Solve for x
    x = 12,170,985,735.12/96,630.80
  6. Step 6: Final answer
    x = 125,953.48

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