Home / 194,682.72-268,661.65-108,640.80

Finding the Fourth Proportional to 194,682.72, 268,661.65 and 108,640.80

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Solution

The fourth proportional to 194,682.72, 268,661.65 and 108,640.80 is: 149,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,682.72 : 268,661.65 = 108,640.80 : x
  2. Step 2: Convert to fraction form
    194,682.72/268,661.65 = 108,640.80/x
  3. Step 3: Cross multiply
    194,682.72x = 268,661.65 × 108,640.80
  4. Step 4: Simplify right side
    194,682.72x = 29,187,616,585.32
  5. Step 5: Solve for x
    x = 29,187,616,585.32/194,682.72
  6. Step 6: Final answer
    x = 149,924.02

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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.