Home / 109,736.20-164,604.30-30,863.80

Finding the Fourth Proportional to 109,736.20, 164,604.30 and 30,863.80

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Solution

The fourth proportional to 109,736.20, 164,604.30 and 30,863.80 is: 46,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,736.20 : 164,604.30 = 30,863.80 : x
  2. Step 2: Convert to fraction form
    109,736.20/164,604.30 = 30,863.80/x
  3. Step 3: Cross multiply
    109,736.20x = 164,604.30 × 30,863.80
  4. Step 4: Simplify right side
    109,736.20x = 5,080,314,194.34
  5. Step 5: Solve for x
    x = 5,080,314,194.34/109,736.20
  6. Step 6: Final answer
    x = 46,295.70

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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.