Home / 109,821.97-151,552.96-59,519.89

Finding the Fourth Proportional to 109,821.97, 151,552.96 and 59,519.89

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Solution

The fourth proportional to 109,821.97, 151,552.96 and 59,519.89 is: 82,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,821.97 : 151,552.96 = 59,519.89 : x
  2. Step 2: Convert to fraction form
    109,821.97/151,552.96 = 59,519.89/x
  3. Step 3: Cross multiply
    109,821.97x = 151,552.96 × 59,519.89
  4. Step 4: Simplify right side
    109,821.97x = 9,020,415,508.37
  5. Step 5: Solve for x
    x = 9,020,415,508.37/109,821.97
  6. Step 6: Final answer
    x = 82,136.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.