Home / 149,621.72-206,291.22-95,818.28

Finding the Fourth Proportional to 149,621.72, 206,291.22 and 95,818.28

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Solution

The fourth proportional to 149,621.72, 206,291.22 and 95,818.28 is: 132,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,621.72 : 206,291.22 = 95,818.28 : x
  2. Step 2: Convert to fraction form
    149,621.72/206,291.22 = 95,818.28/x
  3. Step 3: Cross multiply
    149,621.72x = 206,291.22 × 95,818.28
  4. Step 4: Simplify right side
    149,621.72x = 19,766,469,879.50
  5. Step 5: Solve for x
    x = 19,766,469,879.50/149,621.72
  6. Step 6: Final answer
    x = 132,109.63

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1.5x scale

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.