Home / 180,799.38-271,249.83-66,945.48

Finding the Fourth Proportional to 180,799.38, 271,249.83 and 66,945.48

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Solution

The fourth proportional to 180,799.38, 271,249.83 and 66,945.48 is: 100,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.38 : 271,249.83 = 66,945.48 : x
  2. Step 2: Convert to fraction form
    180,799.38/271,249.83 = 66,945.48/x
  3. Step 3: Cross multiply
    180,799.38x = 271,249.83 × 66,945.48
  4. Step 4: Simplify right side
    180,799.38x = 18,158,950,069.27
  5. Step 5: Solve for x
    x = 18,158,950,069.27/180,799.38
  6. Step 6: Final answer
    x = 100,437.02

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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.