Home / 140,997.60-211,525.20-47,512.80

Finding the Fourth Proportional to 140,997.60, 211,525.20 and 47,512.80

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Solution

The fourth proportional to 140,997.60, 211,525.20 and 47,512.80 is: 71,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,997.60 : 211,525.20 = 47,512.80 : x
  2. Step 2: Convert to fraction form
    140,997.60/211,525.20 = 47,512.80/x
  3. Step 3: Cross multiply
    140,997.60x = 211,525.20 × 47,512.80
  4. Step 4: Simplify right side
    140,997.60x = 10,050,154,522.56
  5. Step 5: Solve for x
    x = 10,050,154,522.56/140,997.60
  6. Step 6: Final answer
    x = 71,278.90

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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.