Home / 149,495.45-206,321.22-84,974.38

Finding the Fourth Proportional to 149,495.45, 206,321.22 and 84,974.38

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Solution

The fourth proportional to 149,495.45, 206,321.22 and 84,974.38 is: 117,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,495.45 : 206,321.22 = 84,974.38 : x
  2. Step 2: Convert to fraction form
    149,495.45/206,321.22 = 84,974.38/x
  3. Step 3: Cross multiply
    149,495.45x = 206,321.22 × 84,974.38
  4. Step 4: Simplify right side
    149,495.45x = 17,532,017,234.54
  5. Step 5: Solve for x
    x = 17,532,017,234.54/149,495.45
  6. Step 6: Final answer
    x = 117,274.59

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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.