Home / 119,948.45-179,921.86-39,992.54

Finding the Fourth Proportional to 119,948.45, 179,921.86 and 39,992.54

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Solution

The fourth proportional to 119,948.45, 179,921.86 and 39,992.54 is: 59,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,948.45 : 179,921.86 = 39,992.54 : x
  2. Step 2: Convert to fraction form
    119,948.45/179,921.86 = 39,992.54/x
  3. Step 3: Cross multiply
    119,948.45x = 179,921.86 × 39,992.54
  4. Step 4: Simplify right side
    119,948.45x = 7,195,531,183.33
  5. Step 5: Solve for x
    x = 7,195,531,183.33/119,948.45
  6. Step 6: Final answer
    x = 59,988.53

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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.