Home / 149,370.50-206,131.93-82,301.06

Finding the Fourth Proportional to 149,370.50, 206,131.93 and 82,301.06

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Solution

The fourth proportional to 149,370.50, 206,131.93 and 82,301.06 is: 113,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,370.50 : 206,131.93 = 82,301.06 : x
  2. Step 2: Convert to fraction form
    149,370.50/206,131.93 = 82,301.06/x
  3. Step 3: Cross multiply
    149,370.50x = 206,131.93 × 82,301.06
  4. Step 4: Simplify right side
    149,370.50x = 16,964,876,338.85
  5. Step 5: Solve for x
    x = 16,964,876,338.85/149,370.50
  6. Step 6: Final answer
    x = 113,575.82

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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.