Home / 68,092.14-102,138.24-18,172.42

Finding the Fourth Proportional to 68,092.14, 102,138.24 and 18,172.42

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Solution

The fourth proportional to 68,092.14, 102,138.24 and 18,172.42 is: 27,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,092.14 : 102,138.24 = 18,172.42 : x
  2. Step 2: Convert to fraction form
    68,092.14/102,138.24 = 18,172.42/x
  3. Step 3: Cross multiply
    68,092.14x = 102,138.24 × 18,172.42
  4. Step 4: Simplify right side
    68,092.14x = 1,856,098,995.34
  5. Step 5: Solve for x
    x = 1,856,098,995.34/68,092.14
  6. Step 6: Final answer
    x = 27,258.64

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1.5x scale

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.