Home / 68,189.39-102,300.17-21,442.26

Finding the Fourth Proportional to 68,189.39, 102,300.17 and 21,442.26

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Solution

The fourth proportional to 68,189.39, 102,300.17 and 21,442.26 is: 32,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.39 : 102,300.17 = 21,442.26 : x
  2. Step 2: Convert to fraction form
    68,189.39/102,300.17 = 21,442.26/x
  3. Step 3: Cross multiply
    68,189.39x = 102,300.17 × 21,442.26
  4. Step 4: Simplify right side
    68,189.39x = 2,193,546,735.97
  5. Step 5: Solve for x
    x = 2,193,546,735.97/68,189.39
  6. Step 6: Final answer
    x = 32,168.45

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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.