Home / 148,234.21-204,561.74-80,249.39

Finding the Fourth Proportional to 148,234.21, 204,561.74 and 80,249.39

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Solution

The fourth proportional to 148,234.21, 204,561.74 and 80,249.39 is: 110,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,234.21 : 204,561.74 = 80,249.39 : x
  2. Step 2: Convert to fraction form
    148,234.21/204,561.74 = 80,249.39/x
  3. Step 3: Cross multiply
    148,234.21x = 204,561.74 × 80,249.39
  4. Step 4: Simplify right side
    148,234.21x = 16,415,954,030.15
  5. Step 5: Solve for x
    x = 16,415,954,030.15/148,234.21
  6. Step 6: Final answer
    x = 110,743.36

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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.