Home / 194,683.31-268,662.45-108,641.37

Finding the Fourth Proportional to 194,683.31, 268,662.45 and 108,641.37

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Solution

The fourth proportional to 194,683.31, 268,662.45 and 108,641.37 is: 149,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,683.31 : 268,662.45 = 108,641.37 : x
  2. Step 2: Convert to fraction form
    194,683.31/268,662.45 = 108,641.37/x
  3. Step 3: Cross multiply
    194,683.31x = 268,662.45 × 108,641.37
  4. Step 4: Simplify right side
    194,683.31x = 29,187,856,635.56
  5. Step 5: Solve for x
    x = 29,187,856,635.56/194,683.31
  6. Step 6: Final answer
    x = 149,924.81

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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.