Home / 194,681.74-268,660.30-108,639.83

Finding the Fourth Proportional to 194,681.74, 268,660.30 and 108,639.83

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Solution

The fourth proportional to 194,681.74, 268,660.30 and 108,639.83 is: 149,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,681.74 : 268,660.30 = 108,639.83 : x
  2. Step 2: Convert to fraction form
    194,681.74/268,660.30 = 108,639.83/x
  3. Step 3: Cross multiply
    194,681.74x = 268,660.30 × 108,639.83
  4. Step 4: Simplify right side
    194,681.74x = 29,187,207,433.25
  5. Step 5: Solve for x
    x = 29,187,207,433.25/194,681.74
  6. Step 6: Final answer
    x = 149,922.68

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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.