Home / 208,131.41-312,197.13-50,359.87

Finding the Fourth Proportional to 208,131.41, 312,197.13 and 50,359.87

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Solution

The fourth proportional to 208,131.41, 312,197.13 and 50,359.87 is: 75,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,131.41 : 312,197.13 = 50,359.87 : x
  2. Step 2: Convert to fraction form
    208,131.41/312,197.13 = 50,359.87/x
  3. Step 3: Cross multiply
    208,131.41x = 312,197.13 × 50,359.87
  4. Step 4: Simplify right side
    208,131.41x = 15,722,205,320.19
  5. Step 5: Solve for x
    x = 15,722,205,320.19/208,131.41
  6. Step 6: Final answer
    x = 75,539.80

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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.