Home / 194,318.88-268,164.96-109,438.80

Finding the Fourth Proportional to 194,318.88, 268,164.96 and 109,438.80

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Solution

The fourth proportional to 194,318.88, 268,164.96 and 109,438.80 is: 151,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,318.88 : 268,164.96 = 109,438.80 : x
  2. Step 2: Convert to fraction form
    194,318.88/268,164.96 = 109,438.80/x
  3. Step 3: Cross multiply
    194,318.88x = 268,164.96 × 109,438.80
  4. Step 4: Simplify right side
    194,318.88x = 29,347,651,424.45
  5. Step 5: Solve for x
    x = 29,347,651,424.45/194,318.88
  6. Step 6: Final answer
    x = 151,028.31

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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.