Home / 146,865.54-220,295.23-79,429.73

Finding the Fourth Proportional to 146,865.54, 220,295.23 and 79,429.73

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Solution

The fourth proportional to 146,865.54, 220,295.23 and 79,429.73 is: 119,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,865.54 : 220,295.23 = 79,429.73 : x
  2. Step 2: Convert to fraction form
    146,865.54/220,295.23 = 79,429.73/x
  3. Step 3: Cross multiply
    146,865.54x = 220,295.23 × 79,429.73
  4. Step 4: Simplify right side
    146,865.54x = 17,497,990,578.30
  5. Step 5: Solve for x
    x = 17,497,990,578.30/146,865.54
  6. Step 6: Final answer
    x = 119,142.93

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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.