Home / 227,072.20-313,336.11-139,843.50

Finding the Fourth Proportional to 227,072.20, 313,336.11 and 139,843.50

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Solution

The fourth proportional to 227,072.20, 313,336.11 and 139,843.50 is: 192,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,072.20 : 313,336.11 = 139,843.50 : x
  2. Step 2: Convert to fraction form
    227,072.20/313,336.11 = 139,843.50/x
  3. Step 3: Cross multiply
    227,072.20x = 313,336.11 × 139,843.50
  4. Step 4: Simplify right side
    227,072.20x = 43,818,018,298.79
  5. Step 5: Solve for x
    x = 43,818,018,298.79/227,072.20
  6. Step 6: Final answer
    x = 192,969.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.