Home / 194,722.98-268,719.76-108,690.18

Finding the Fourth Proportional to 194,722.98, 268,719.76 and 108,690.18

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Solution

The fourth proportional to 194,722.98, 268,719.76 and 108,690.18 is: 149,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,722.98 : 268,719.76 = 108,690.18 : x
  2. Step 2: Convert to fraction form
    194,722.98/268,719.76 = 108,690.18/x
  3. Step 3: Cross multiply
    194,722.98x = 268,719.76 × 108,690.18
  4. Step 4: Simplify right side
    194,722.98x = 29,207,199,083.96
  5. Step 5: Solve for x
    x = 29,207,199,083.96/194,722.98
  6. Step 6: Final answer
    x = 149,993.59

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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.