Home / 194,725.20-268,657.80-108,670.20

Finding the Fourth Proportional to 194,725.20, 268,657.80 and 108,670.20

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Solution

The fourth proportional to 194,725.20, 268,657.80 and 108,670.20 is: 149,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,725.20 : 268,657.80 = 108,670.20 : x
  2. Step 2: Convert to fraction form
    194,725.20/268,657.80 = 108,670.20/x
  3. Step 3: Cross multiply
    194,725.20x = 268,657.80 × 108,670.20
  4. Step 4: Simplify right side
    194,725.20x = 29,195,096,857.56
  5. Step 5: Solve for x
    x = 29,195,096,857.56/194,725.20
  6. Step 6: Final answer
    x = 149,929.73

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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.