Home / 124,744.49-172,147.46-67,383.81

Finding the Fourth Proportional to 124,744.49, 172,147.46 and 67,383.81

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Solution

The fourth proportional to 124,744.49, 172,147.46 and 67,383.81 is: 92,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.49 : 172,147.46 = 67,383.81 : x
  2. Step 2: Convert to fraction form
    124,744.49/172,147.46 = 67,383.81/x
  3. Step 3: Cross multiply
    124,744.49x = 172,147.46 × 67,383.81
  4. Step 4: Simplify right side
    124,744.49x = 11,599,951,399.70
  5. Step 5: Solve for x
    x = 11,599,951,399.70/124,744.49
  6. Step 6: Final answer
    x = 92,989.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.