Home / 194,681.62-268,660.14-108,639.69

Finding the Fourth Proportional to 194,681.62, 268,660.14 and 108,639.69

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Solution

The fourth proportional to 194,681.62, 268,660.14 and 108,639.69 is: 149,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,681.62 : 268,660.14 = 108,639.69 : x
  2. Step 2: Convert to fraction form
    194,681.62/268,660.14 = 108,639.69/x
  3. Step 3: Cross multiply
    194,681.62x = 268,660.14 × 108,639.69
  4. Step 4: Simplify right side
    194,681.62x = 29,187,153,110.11
  5. Step 5: Solve for x
    x = 29,187,153,110.11/194,681.62
  6. Step 6: Final answer
    x = 149,922.49

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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.