Home / 109,315.60-164,046.30-50,120.80

Finding the Fourth Proportional to 109,315.60, 164,046.30 and 50,120.80

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Solution

The fourth proportional to 109,315.60, 164,046.30 and 50,120.80 is: 75,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.60 : 164,046.30 = 50,120.80 : x
  2. Step 2: Convert to fraction form
    109,315.60/164,046.30 = 50,120.80/x
  3. Step 3: Cross multiply
    109,315.60x = 164,046.30 × 50,120.80
  4. Step 4: Simplify right side
    109,315.60x = 8,222,131,793.04
  5. Step 5: Solve for x
    x = 8,222,131,793.04/109,315.60
  6. Step 6: Final answer
    x = 75,214.62

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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.