Home / 194,680.85-268,659.06-108,638.92

Finding the Fourth Proportional to 194,680.85, 268,659.06 and 108,638.92

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Solution

The fourth proportional to 194,680.85, 268,659.06 and 108,638.92 is: 149,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.85 : 268,659.06 = 108,638.92 : x
  2. Step 2: Convert to fraction form
    194,680.85/268,659.06 = 108,638.92/x
  3. Step 3: Cross multiply
    194,680.85x = 268,659.06 × 108,638.92
  4. Step 4: Simplify right side
    194,680.85x = 29,186,831,019.85
  5. Step 5: Solve for x
    x = 29,186,831,019.85/194,680.85
  6. Step 6: Final answer
    x = 149,921.43

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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.