Home / 146,540.80-202,227.20-79,472.64

Finding the Fourth Proportional to 146,540.80, 202,227.20 and 79,472.64

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Solution

The fourth proportional to 146,540.80, 202,227.20 and 79,472.64 is: 109,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.80 : 202,227.20 = 79,472.64 : x
  2. Step 2: Convert to fraction form
    146,540.80/202,227.20 = 79,472.64/x
  3. Step 3: Cross multiply
    146,540.80x = 202,227.20 × 79,472.64
  4. Step 4: Simplify right side
    146,540.80x = 16,071,529,463.81
  5. Step 5: Solve for x
    x = 16,071,529,463.81/146,540.80
  6. Step 6: Final answer
    x = 109,672.73

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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.