Home / 128,016.91-192,044.38-41,433.80

Finding the Fourth Proportional to 128,016.91, 192,044.38 and 41,433.80

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Solution

The fourth proportional to 128,016.91, 192,044.38 and 41,433.80 is: 62,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,016.91 : 192,044.38 = 41,433.80 : x
  2. Step 2: Convert to fraction form
    128,016.91/192,044.38 = 41,433.80/x
  3. Step 3: Cross multiply
    128,016.91x = 192,044.38 × 41,433.80
  4. Step 4: Simplify right side
    128,016.91x = 7,957,128,432.04
  5. Step 5: Solve for x
    x = 7,957,128,432.04/128,016.91
  6. Step 6: Final answer
    x = 62,156.85

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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.