Home / 170,660.43-256,104.92-70,820.73

Finding the Fourth Proportional to 170,660.43, 256,104.92 and 70,820.73

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Solution

The fourth proportional to 170,660.43, 256,104.92 and 70,820.73 is: 106,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,660.43 : 256,104.92 = 70,820.73 : x
  2. Step 2: Convert to fraction form
    170,660.43/256,104.92 = 70,820.73/x
  3. Step 3: Cross multiply
    170,660.43x = 256,104.92 × 70,820.73
  4. Step 4: Simplify right side
    170,660.43x = 18,137,537,390.99
  5. Step 5: Solve for x
    x = 18,137,537,390.99/170,660.43
  6. Step 6: Final answer
    x = 106,278.52

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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.