Home / 119,578.16-179,377.55-30,830.91

Finding the Fourth Proportional to 119,578.16, 179,377.55 and 30,830.91

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Solution

The fourth proportional to 119,578.16, 179,377.55 and 30,830.91 is: 46,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,578.16 : 179,377.55 = 30,830.91 : x
  2. Step 2: Convert to fraction form
    119,578.16/179,377.55 = 30,830.91/x
  3. Step 3: Cross multiply
    119,578.16x = 179,377.55 × 30,830.91
  4. Step 4: Simplify right side
    119,578.16x = 5,530,372,945.92
  5. Step 5: Solve for x
    x = 5,530,372,945.92/119,578.16
  6. Step 6: Final answer
    x = 46,249.02

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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.