Home / 119,940.20-179,931.90-49,826.60

Finding the Fourth Proportional to 119,940.20, 179,931.90 and 49,826.60

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Solution

The fourth proportional to 119,940.20, 179,931.90 and 49,826.60 is: 74,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.20 : 179,931.90 = 49,826.60 : x
  2. Step 2: Convert to fraction form
    119,940.20/179,931.90 = 49,826.60/x
  3. Step 3: Cross multiply
    119,940.20x = 179,931.90 × 49,826.60
  4. Step 4: Simplify right side
    119,940.20x = 8,965,394,808.54
  5. Step 5: Solve for x
    x = 8,965,394,808.54/119,940.20
  6. Step 6: Final answer
    x = 74,748.87

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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.