Home / 119,942.20-179,934.90-49,828.60

Finding the Fourth Proportional to 119,942.20, 179,934.90 and 49,828.60

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Solution

The fourth proportional to 119,942.20, 179,934.90 and 49,828.60 is: 74,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,942.20 : 179,934.90 = 49,828.60 : x
  2. Step 2: Convert to fraction form
    119,942.20/179,934.90 = 49,828.60/x
  3. Step 3: Cross multiply
    119,942.20x = 179,934.90 × 49,828.60
  4. Step 4: Simplify right side
    119,942.20x = 8,965,904,158.14
  5. Step 5: Solve for x
    x = 8,965,904,158.14/119,942.20
  6. Step 6: Final answer
    x = 74,751.87

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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.