Home / 140,850.78-211,359.20-52,166.56

Finding the Fourth Proportional to 140,850.78, 211,359.20 and 52,166.56

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Solution

The fourth proportional to 140,850.78, 211,359.20 and 52,166.56 is: 78,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,850.78 : 211,359.20 = 52,166.56 : x
  2. Step 2: Convert to fraction form
    140,850.78/211,359.20 = 52,166.56/x
  3. Step 3: Cross multiply
    140,850.78x = 211,359.20 × 52,166.56
  4. Step 4: Simplify right side
    140,850.78x = 11,025,882,127.52
  5. Step 5: Solve for x
    x = 11,025,882,127.52/140,850.78
  6. Step 6: Final answer
    x = 78,280.59

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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.