Home / 140,423.40-210,375.90-131,092.20

Finding the Fourth Proportional to 140,423.40, 210,375.90 and 131,092.20

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Solution

The fourth proportional to 140,423.40, 210,375.90 and 131,092.20 is: 196,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423.40 : 210,375.90 = 131,092.20 : x
  2. Step 2: Convert to fraction form
    140,423.40/210,375.90 = 131,092.20/x
  3. Step 3: Cross multiply
    140,423.40x = 210,375.90 × 131,092.20
  4. Step 4: Simplify right side
    140,423.40x = 27,578,639,557.98
  5. Step 5: Solve for x
    x = 27,578,639,557.98/140,423.40
  6. Step 6: Final answer
    x = 196,396.32

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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.