Home / 140,941.60-211,441.20-47,456.80

Finding the Fourth Proportional to 140,941.60, 211,441.20 and 47,456.80

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Solution

The fourth proportional to 140,941.60, 211,441.20 and 47,456.80 is: 71,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941.60 : 211,441.20 = 47,456.80 : x
  2. Step 2: Convert to fraction form
    140,941.60/211,441.20 = 47,456.80/x
  3. Step 3: Cross multiply
    140,941.60x = 211,441.20 × 47,456.80
  4. Step 4: Simplify right side
    140,941.60x = 10,034,322,740.16
  5. Step 5: Solve for x
    x = 10,034,322,740.16/140,941.60
  6. Step 6: Final answer
    x = 71,194.90

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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.