Home / 194,394.90-268,232.48-108,335.09

Finding the Fourth Proportional to 194,394.90, 268,232.48 and 108,335.09

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Solution

The fourth proportional to 194,394.90, 268,232.48 and 108,335.09 is: 149,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,394.90 : 268,232.48 = 108,335.09 : x
  2. Step 2: Convert to fraction form
    194,394.90/268,232.48 = 108,335.09/x
  3. Step 3: Cross multiply
    194,394.90x = 268,232.48 × 108,335.09
  4. Step 4: Simplify right side
    194,394.90x = 29,058,988,520.56
  5. Step 5: Solve for x
    x = 29,058,988,520.56/194,394.90
  6. Step 6: Final answer
    x = 149,484.32

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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.