Home / 140,791.20-211,222.57-40,951.39

Finding the Fourth Proportional to 140,791.20, 211,222.57 and 40,951.39

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Solution

The fourth proportional to 140,791.20, 211,222.57 and 40,951.39 is: 61,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,791.20 : 211,222.57 = 40,951.39 : x
  2. Step 2: Convert to fraction form
    140,791.20/211,222.57 = 40,951.39/x
  3. Step 3: Cross multiply
    140,791.20x = 211,222.57 × 40,951.39
  4. Step 4: Simplify right side
    140,791.20x = 8,649,856,784.76
  5. Step 5: Solve for x
    x = 8,649,856,784.76/140,791.20
  6. Step 6: Final answer
    x = 61,437.48

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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.