Home / 128,010.33-192,040.26-49,118.42

Finding the Fourth Proportional to 128,010.33, 192,040.26 and 49,118.42

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Solution

The fourth proportional to 128,010.33, 192,040.26 and 49,118.42 is: 73,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,010.33 : 192,040.26 = 49,118.42 : x
  2. Step 2: Convert to fraction form
    128,010.33/192,040.26 = 49,118.42/x
  3. Step 3: Cross multiply
    128,010.33x = 192,040.26 × 49,118.42
  4. Step 4: Simplify right side
    128,010.33x = 9,432,713,187.39
  5. Step 5: Solve for x
    x = 9,432,713,187.39/128,010.33
  6. Step 6: Final answer
    x = 73,687.12

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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.