Home / 220,193.57-330,342.06-68,382.90

Finding the Fourth Proportional to 220,193.57, 330,342.06 and 68,382.90

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Solution

The fourth proportional to 220,193.57, 330,342.06 and 68,382.90 is: 102,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193.57 : 330,342.06 = 68,382.90 : x
  2. Step 2: Convert to fraction form
    220,193.57/330,342.06 = 68,382.90/x
  3. Step 3: Cross multiply
    220,193.57x = 330,342.06 × 68,382.90
  4. Step 4: Simplify right side
    220,193.57x = 22,589,748,311.21
  5. Step 5: Solve for x
    x = 22,589,748,311.21/220,193.57
  6. Step 6: Final answer
    x = 102,590.41

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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.