Home / 140,257.20-210,470.10-50,292.90

Finding the Fourth Proportional to 140,257.20, 210,470.10 and 50,292.90

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Solution

The fourth proportional to 140,257.20, 210,470.10 and 50,292.90 is: 75,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,257.20 : 210,470.10 = 50,292.90 : x
  2. Step 2: Convert to fraction form
    140,257.20/210,470.10 = 50,292.90/x
  3. Step 3: Cross multiply
    140,257.20x = 210,470.10 × 50,292.90
  4. Step 4: Simplify right side
    140,257.20x = 10,585,151,692.29
  5. Step 5: Solve for x
    x = 10,585,151,692.29/140,257.20
  6. Step 6: Final answer
    x = 75,469.58

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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.