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Finding the Fourth Proportional to 133,291.30, 199,936.95 and 44,544.80

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Solution

The fourth proportional to 133,291.30, 199,936.95 and 44,544.80 is: 66,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,291.30 : 199,936.95 = 44,544.80 : x
  2. Step 2: Convert to fraction form
    133,291.30/199,936.95 = 44,544.80/x
  3. Step 3: Cross multiply
    133,291.30x = 199,936.95 × 44,544.80
  4. Step 4: Simplify right side
    133,291.30x = 8,906,151,970.60
  5. Step 5: Solve for x
    x = 8,906,151,970.60/133,291.30
  6. Step 6: Final answer
    x = 66,817.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.