Home / 194,484.85-268,364.64-108,422.75

Finding the Fourth Proportional to 194,484.85, 268,364.64 and 108,422.75

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Solution

The fourth proportional to 194,484.85, 268,364.64 and 108,422.75 is: 149,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,484.85 : 268,364.64 = 108,422.75 : x
  2. Step 2: Convert to fraction form
    194,484.85/268,364.64 = 108,422.75/x
  3. Step 3: Cross multiply
    194,484.85x = 268,364.64 × 108,422.75
  4. Step 4: Simplify right side
    194,484.85x = 29,096,833,349.06
  5. Step 5: Solve for x
    x = 29,096,833,349.06/194,484.85
  6. Step 6: Final answer
    x = 149,609.77

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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.