Home / 146,473.68-219,736.05-71,645.49

Finding the Fourth Proportional to 146,473.68, 219,736.05 and 71,645.49

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Solution

The fourth proportional to 146,473.68, 219,736.05 and 71,645.49 is: 107,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,473.68 : 219,736.05 = 71,645.49 : x
  2. Step 2: Convert to fraction form
    146,473.68/219,736.05 = 71,645.49/x
  3. Step 3: Cross multiply
    146,473.68x = 219,736.05 × 71,645.49
  4. Step 4: Simplify right side
    146,473.68x = 15,743,096,972.91
  5. Step 5: Solve for x
    x = 15,743,096,972.91/146,473.68
  6. Step 6: Final answer
    x = 107,480.72

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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.