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Finding the Fourth Proportional to 146,392.73, 202,020.31 and 79,324.73

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Solution

The fourth proportional to 146,392.73, 202,020.31 and 79,324.73 is: 109,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,392.73 : 202,020.31 = 79,324.73 : x
  2. Step 2: Convert to fraction form
    146,392.73/202,020.31 = 79,324.73/x
  3. Step 3: Cross multiply
    146,392.73x = 202,020.31 × 79,324.73
  4. Step 4: Simplify right side
    146,392.73x = 16,025,206,545.27
  5. Step 5: Solve for x
    x = 16,025,206,545.27/146,392.73
  6. Step 6: Final answer
    x = 109,467.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.