Home / 146,243.92-219,338.13-71,288.68

Finding the Fourth Proportional to 146,243.92, 219,338.13 and 71,288.68

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Solution

The fourth proportional to 146,243.92, 219,338.13 and 71,288.68 is: 106,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,243.92 : 219,338.13 = 71,288.68 : x
  2. Step 2: Convert to fraction form
    146,243.92/219,338.13 = 71,288.68/x
  3. Step 3: Cross multiply
    146,243.92x = 219,338.13 × 71,288.68
  4. Step 4: Simplify right side
    146,243.92x = 15,636,325,633.30
  5. Step 5: Solve for x
    x = 15,636,325,633.30/146,243.92
  6. Step 6: Final answer
    x = 106,919.49

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1.5x scale

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.