Home / 140,375.10-210,234.60-137,556.30

Finding the Fourth Proportional to 140,375.10, 210,234.60 and 137,556.30

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Solution

The fourth proportional to 140,375.10, 210,234.60 and 137,556.30 is: 206,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,375.10 : 210,234.60 = 137,556.30 : x
  2. Step 2: Convert to fraction form
    140,375.10/210,234.60 = 137,556.30/x
  3. Step 3: Cross multiply
    140,375.10x = 210,234.60 × 137,556.30
  4. Step 4: Simplify right side
    140,375.10x = 28,919,093,707.98
  5. Step 5: Solve for x
    x = 28,919,093,707.98/140,375.10
  6. Step 6: Final answer
    x = 206,012.99

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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.