Home / 194,213.88-268,040.70-109,347.48

Finding the Fourth Proportional to 194,213.88, 268,040.70 and 109,347.48

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Solution

The fourth proportional to 194,213.88, 268,040.70 and 109,347.48 is: 150,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,213.88 : 268,040.70 = 109,347.48 : x
  2. Step 2: Convert to fraction form
    194,213.88/268,040.70 = 109,347.48/x
  3. Step 3: Cross multiply
    194,213.88x = 268,040.70 × 109,347.48
  4. Step 4: Simplify right side
    194,213.88x = 29,309,575,082.44
  5. Step 5: Solve for x
    x = 29,309,575,082.44/194,213.88
  6. Step 6: Final answer
    x = 150,913.91

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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.