Home / 119,310.67-178,961.86-30,565.05

Finding the Fourth Proportional to 119,310.67, 178,961.86 and 30,565.05

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Solution

The fourth proportional to 119,310.67, 178,961.86 and 30,565.05 is: 45,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,310.67 : 178,961.86 = 30,565.05 : x
  2. Step 2: Convert to fraction form
    119,310.67/178,961.86 = 30,565.05/x
  3. Step 3: Cross multiply
    119,310.67x = 178,961.86 × 30,565.05
  4. Step 4: Simplify right side
    119,310.67x = 5,469,978,198.99
  5. Step 5: Solve for x
    x = 5,469,978,198.99/119,310.67
  6. Step 6: Final answer
    x = 45,846.51

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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.