Home / 151,170.82-226,768.80-45,990.70

Finding the Fourth Proportional to 151,170.82, 226,768.80 and 45,990.70

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Solution

The fourth proportional to 151,170.82, 226,768.80 and 45,990.70 is: 68,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,170.82 : 226,768.80 = 45,990.70 : x
  2. Step 2: Convert to fraction form
    151,170.82/226,768.80 = 45,990.70/x
  3. Step 3: Cross multiply
    151,170.82x = 226,768.80 × 45,990.70
  4. Step 4: Simplify right side
    151,170.82x = 10,429,255,850.16
  5. Step 5: Solve for x
    x = 10,429,255,850.16/151,170.82
  6. Step 6: Final answer
    x = 68,989.87

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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.