Home / 119,257.20-178,891.92-30,511.47

Finding the Fourth Proportional to 119,257.20, 178,891.92 and 30,511.47

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Solution

The fourth proportional to 119,257.20, 178,891.92 and 30,511.47 is: 45,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,257.20 : 178,891.92 = 30,511.47 : x
  2. Step 2: Convert to fraction form
    119,257.20/178,891.92 = 30,511.47/x
  3. Step 3: Cross multiply
    119,257.20x = 178,891.92 × 30,511.47
  4. Step 4: Simplify right side
    119,257.20x = 5,458,255,450.32
  5. Step 5: Solve for x
    x = 5,458,255,450.32/119,257.20
  6. Step 6: Final answer
    x = 45,768.77

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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.