Home / 139,261.32-208,891.62-50,514.66

Finding the Fourth Proportional to 139,261.32, 208,891.62 and 50,514.66

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Solution

The fourth proportional to 139,261.32, 208,891.62 and 50,514.66 is: 75,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,261.32 : 208,891.62 = 50,514.66 : x
  2. Step 2: Convert to fraction form
    139,261.32/208,891.62 = 50,514.66/x
  3. Step 3: Cross multiply
    139,261.32x = 208,891.62 × 50,514.66
  4. Step 4: Simplify right side
    139,261.32x = 10,552,089,161.15
  5. Step 5: Solve for x
    x = 10,552,089,161.15/139,261.32
  6. Step 6: Final answer
    x = 75,771.86

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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.