Home / 199,066.36-298,597.66-80,709.56

Finding the Fourth Proportional to 199,066.36, 298,597.66 and 80,709.56

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Solution

The fourth proportional to 199,066.36, 298,597.66 and 80,709.56 is: 121,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,066.36 : 298,597.66 = 80,709.56 : x
  2. Step 2: Convert to fraction form
    199,066.36/298,597.66 = 80,709.56/x
  3. Step 3: Cross multiply
    199,066.36x = 298,597.66 × 80,709.56
  4. Step 4: Simplify right side
    199,066.36x = 24,099,685,755.63
  5. Step 5: Solve for x
    x = 24,099,685,755.63/199,066.36
  6. Step 6: Final answer
    x = 121,063.58

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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.