Home / 135,644.49-203,260.19-68,984.73

Finding the Fourth Proportional to 135,644.49, 203,260.19 and 68,984.73

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Solution

The fourth proportional to 135,644.49, 203,260.19 and 68,984.73 is: 103,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,644.49 : 203,260.19 = 68,984.73 : x
  2. Step 2: Convert to fraction form
    135,644.49/203,260.19 = 68,984.73/x
  3. Step 3: Cross multiply
    135,644.49x = 203,260.19 × 68,984.73
  4. Step 4: Simplify right side
    135,644.49x = 14,021,848,981.98
  5. Step 5: Solve for x
    x = 14,021,848,981.98/135,644.49
  6. Step 6: Final answer
    x = 103,372.05

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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.