Home / 206,194.20-284,684.46-158,361.72

Finding the Fourth Proportional to 206,194.20, 284,684.46 and 158,361.72

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Solution

The fourth proportional to 206,194.20, 284,684.46 and 158,361.72 is: 218,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,194.20 : 284,684.46 = 158,361.72 : x
  2. Step 2: Convert to fraction form
    206,194.20/284,684.46 = 158,361.72/x
  3. Step 3: Cross multiply
    206,194.20x = 284,684.46 × 158,361.72
  4. Step 4: Simplify right side
    206,194.20x = 45,083,120,742.87
  5. Step 5: Solve for x
    x = 45,083,120,742.87/206,194.20
  6. Step 6: Final answer
    x = 218,643.98

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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.