Home / 163,942.96-226,245.12-91,350.76

Finding the Fourth Proportional to 163,942.96, 226,245.12 and 91,350.76

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Solution

The fourth proportional to 163,942.96, 226,245.12 and 91,350.76 is: 126,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,942.96 : 226,245.12 = 91,350.76 : x
  2. Step 2: Convert to fraction form
    163,942.96/226,245.12 = 91,350.76/x
  3. Step 3: Cross multiply
    163,942.96x = 226,245.12 × 91,350.76
  4. Step 4: Simplify right side
    163,942.96x = 20,667,663,658.29
  5. Step 5: Solve for x
    x = 20,667,663,658.29/163,942.96
  6. Step 6: Final answer
    x = 126,066.19

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1.5x scale

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.