Home / 194,721.98-268,718.38-108,689.18

Finding the Fourth Proportional to 194,721.98, 268,718.38 and 108,689.18

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Solution

The fourth proportional to 194,721.98, 268,718.38 and 108,689.18 is: 149,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,721.98 : 268,718.38 = 108,689.18 : x
  2. Step 2: Convert to fraction form
    194,721.98/268,718.38 = 108,689.18/x
  3. Step 3: Cross multiply
    194,721.98x = 268,718.38 × 108,689.18
  4. Step 4: Simplify right side
    194,721.98x = 29,206,778,757.81
  5. Step 5: Solve for x
    x = 29,206,778,757.81/194,721.98
  6. Step 6: Final answer
    x = 149,992.21

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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.