Home / 146,309.45-219,464.19-41,128.44

Finding the Fourth Proportional to 146,309.45, 219,464.19 and 41,128.44

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Solution

The fourth proportional to 146,309.45, 219,464.19 and 41,128.44 is: 61,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,309.45 : 219,464.19 = 41,128.44 : x
  2. Step 2: Convert to fraction form
    146,309.45/219,464.19 = 41,128.44/x
  3. Step 3: Cross multiply
    146,309.45x = 219,464.19 × 41,128.44
  4. Step 4: Simplify right side
    146,309.45x = 9,026,219,770.56
  5. Step 5: Solve for x
    x = 9,026,219,770.56/146,309.45
  6. Step 6: Final answer
    x = 61,692.67

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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.