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Finding the Fourth Proportional to 99,300.20, 148,910.70 and 32,721.80

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Solution

The fourth proportional to 99,300.20, 148,910.70 and 32,721.80 is: 49,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,300.20 : 148,910.70 = 32,721.80 : x
  2. Step 2: Convert to fraction form
    99,300.20/148,910.70 = 32,721.80/x
  3. Step 3: Cross multiply
    99,300.20x = 148,910.70 × 32,721.80
  4. Step 4: Simplify right side
    99,300.20x = 4,872,626,143.26
  5. Step 5: Solve for x
    x = 4,872,626,143.26/99,300.20
  6. Step 6: Final answer
    x = 49,069.65

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