Home / 109,136.82-163,705.31-30,251.73

Finding the Fourth Proportional to 109,136.82, 163,705.31 and 30,251.73

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Solution

The fourth proportional to 109,136.82, 163,705.31 and 30,251.73 is: 45,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,136.82 : 163,705.31 = 30,251.73 : x
  2. Step 2: Convert to fraction form
    109,136.82/163,705.31 = 30,251.73/x
  3. Step 3: Cross multiply
    109,136.82x = 163,705.31 × 30,251.73
  4. Step 4: Simplify right side
    109,136.82x = 4,952,368,686.43
  5. Step 5: Solve for x
    x = 4,952,368,686.43/109,136.82
  6. Step 6: Final answer
    x = 45,377.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.