Home / 128,359.48-192,633.82-60,891.73

Finding the Fourth Proportional to 128,359.48, 192,633.82 and 60,891.73

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Solution

The fourth proportional to 128,359.48, 192,633.82 and 60,891.73 is: 91,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,359.48 : 192,633.82 = 60,891.73 : x
  2. Step 2: Convert to fraction form
    128,359.48/192,633.82 = 60,891.73/x
  3. Step 3: Cross multiply
    128,359.48x = 192,633.82 × 60,891.73
  4. Step 4: Simplify right side
    128,359.48x = 11,729,805,593.14
  5. Step 5: Solve for x
    x = 11,729,805,593.14/128,359.48
  6. Step 6: Final answer
    x = 91,382.46

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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.