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Finding the Fourth Proportional to 133,285.28, 199,938.22 and 44,539.09

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Solution

The fourth proportional to 133,285.28, 199,938.22 and 44,539.09 is: 66,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,285.28 : 199,938.22 = 44,539.09 : x
  2. Step 2: Convert to fraction form
    133,285.28/199,938.22 = 44,539.09/x
  3. Step 3: Cross multiply
    133,285.28x = 199,938.22 × 44,539.09
  4. Step 4: Simplify right side
    133,285.28x = 8,905,065,763.83
  5. Step 5: Solve for x
    x = 8,905,065,763.83/133,285.28
  6. Step 6: Final answer
    x = 66,812.07

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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.