Home / 195,721.94-293,695.92-105,764.96

Finding the Fourth Proportional to 195,721.94, 293,695.92 and 105,764.96

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Solution

The fourth proportional to 195,721.94, 293,695.92 and 105,764.96 is: 158,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,721.94 : 293,695.92 = 105,764.96 : x
  2. Step 2: Convert to fraction form
    195,721.94/293,695.92 = 105,764.96/x
  3. Step 3: Cross multiply
    195,721.94x = 293,695.92 × 105,764.96
  4. Step 4: Simplify right side
    195,721.94x = 31,062,737,230.96
  5. Step 5: Solve for x
    x = 31,062,737,230.96/195,721.94
  6. Step 6: Final answer
    x = 158,708.51

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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.