Home / 208,884.20-313,326.30-51,110.60

Finding the Fourth Proportional to 208,884.20, 313,326.30 and 51,110.60

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Solution

The fourth proportional to 208,884.20, 313,326.30 and 51,110.60 is: 76,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,884.20 : 313,326.30 = 51,110.60 : x
  2. Step 2: Convert to fraction form
    208,884.20/313,326.30 = 51,110.60/x
  3. Step 3: Cross multiply
    208,884.20x = 313,326.30 × 51,110.60
  4. Step 4: Simplify right side
    208,884.20x = 16,014,295,188.78
  5. Step 5: Solve for x
    x = 16,014,295,188.78/208,884.20
  6. Step 6: Final answer
    x = 76,665.90

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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.