Home / 180,938.97-271,410.21-68,589

Finding the Fourth Proportional to 180,938.97, 271,410.21 and 68,589

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Solution

The fourth proportional to 180,938.97, 271,410.21 and 68,589 is: 102,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,938.97 : 271,410.21 = 68,589 : x
  2. Step 2: Convert to fraction form
    180,938.97/271,410.21 = 68,589/x
  3. Step 3: Cross multiply
    180,938.97x = 271,410.21 × 68,589
  4. Step 4: Simplify right side
    180,938.97x = 18,615,754,893.69
  5. Step 5: Solve for x
    x = 18,615,754,893.69/180,938.97
  6. Step 6: Final answer
    x = 102,884.17

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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.