Home / 170,634.30-256,145.85-100,553.10

Finding the Fourth Proportional to 170,634.30, 256,145.85 and 100,553.10

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Solution

The fourth proportional to 170,634.30, 256,145.85 and 100,553.10 is: 150,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,634.30 : 256,145.85 = 100,553.10 : x
  2. Step 2: Convert to fraction form
    170,634.30/256,145.85 = 100,553.10/x
  3. Step 3: Cross multiply
    170,634.30x = 256,145.85 × 100,553.10
  4. Step 4: Simplify right side
    170,634.30x = 25,756,259,269.64
  5. Step 5: Solve for x
    x = 25,756,259,269.64/170,634.30
  6. Step 6: Final answer
    x = 150,944.21

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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.