Home / 194,811.64-268,827.36-108,778.72

Finding the Fourth Proportional to 194,811.64, 268,827.36 and 108,778.72

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Solution

The fourth proportional to 194,811.64, 268,827.36 and 108,778.72 is: 150,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,811.64 : 268,827.36 = 108,778.72 : x
  2. Step 2: Convert to fraction form
    194,811.64/268,827.36 = 108,778.72/x
  3. Step 3: Cross multiply
    194,811.64x = 268,827.36 × 108,778.72
  4. Step 4: Simplify right side
    194,811.64x = 29,242,696,121.78
  5. Step 5: Solve for x
    x = 29,242,696,121.78/194,811.64
  6. Step 6: Final answer
    x = 150,107.54

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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.