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Finding the Fourth Proportional to 139,593.54, 209,310.96 and 95,274

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Solution

The fourth proportional to 139,593.54, 209,310.96 and 95,274 is: 142,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,593.54 : 209,310.96 = 95,274 : x
  2. Step 2: Convert to fraction form
    139,593.54/209,310.96 = 95,274/x
  3. Step 3: Cross multiply
    139,593.54x = 209,310.96 × 95,274
  4. Step 4: Simplify right side
    139,593.54x = 19,941,892,403.04
  5. Step 5: Solve for x
    x = 19,941,892,403.04/139,593.54
  6. Step 6: Final answer
    x = 142,856.84

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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.