Home / 194,215.10-268,012.71-108,173.82

Finding the Fourth Proportional to 194,215.10, 268,012.71 and 108,173.82

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Solution

The fourth proportional to 194,215.10, 268,012.71 and 108,173.82 is: 149,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,215.10 : 268,012.71 = 108,173.82 : x
  2. Step 2: Convert to fraction form
    194,215.10/268,012.71 = 108,173.82/x
  3. Step 3: Cross multiply
    194,215.10x = 268,012.71 × 108,173.82
  4. Step 4: Simplify right side
    194,215.10x = 28,991,958,649.25
  5. Step 5: Solve for x
    x = 28,991,958,649.25/194,215.10
  6. Step 6: Final answer
    x = 149,277.57

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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.