Home / 68,091.26-102,153.29-21,344.13

Finding the Fourth Proportional to 68,091.26, 102,153.29 and 21,344.13

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Solution

The fourth proportional to 68,091.26, 102,153.29 and 21,344.13 is: 32,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.26 : 102,153.29 = 21,344.13 : x
  2. Step 2: Convert to fraction form
    68,091.26/102,153.29 = 21,344.13/x
  3. Step 3: Cross multiply
    68,091.26x = 102,153.29 × 21,344.13
  4. Step 4: Simplify right side
    68,091.26x = 2,180,373,372.32
  5. Step 5: Solve for x
    x = 2,180,373,372.32/68,091.26
  6. Step 6: Final answer
    x = 32,021.34

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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.