Home / 138,722.33-191,436.92-96,305.46

Finding the Fourth Proportional to 138,722.33, 191,436.92 and 96,305.46

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Solution

The fourth proportional to 138,722.33, 191,436.92 and 96,305.46 is: 132,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,722.33 : 191,436.92 = 96,305.46 : x
  2. Step 2: Convert to fraction form
    138,722.33/191,436.92 = 96,305.46/x
  3. Step 3: Cross multiply
    138,722.33x = 191,436.92 × 96,305.46
  4. Step 4: Simplify right side
    138,722.33x = 18,436,420,160.06
  5. Step 5: Solve for x
    x = 18,436,420,160.06/138,722.33
  6. Step 6: Final answer
    x = 132,901.61

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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.