Home / 146,419.68-219,378.87-79,906.52

Finding the Fourth Proportional to 146,419.68, 219,378.87 and 79,906.52

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Solution

The fourth proportional to 146,419.68, 219,378.87 and 79,906.52 is: 119,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,419.68 : 219,378.87 = 79,906.52 : x
  2. Step 2: Convert to fraction form
    146,419.68/219,378.87 = 79,906.52/x
  3. Step 3: Cross multiply
    146,419.68x = 219,378.87 × 79,906.52
  4. Step 4: Simplify right side
    146,419.68x = 17,529,801,377.67
  5. Step 5: Solve for x
    x = 17,529,801,377.67/146,419.68
  6. Step 6: Final answer
    x = 119,722.98

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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.