Home / 143,380.45-214,650.10-100,537.32

Finding the Fourth Proportional to 143,380.45, 214,650.10 and 100,537.32

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Solution

The fourth proportional to 143,380.45, 214,650.10 and 100,537.32 is: 150,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,380.45 : 214,650.10 = 100,537.32 : x
  2. Step 2: Convert to fraction form
    143,380.45/214,650.10 = 100,537.32/x
  3. Step 3: Cross multiply
    143,380.45x = 214,650.10 × 100,537.32
  4. Step 4: Simplify right side
    143,380.45x = 21,580,345,791.73
  5. Step 5: Solve for x
    x = 21,580,345,791.73/143,380.45
  6. Step 6: Final answer
    x = 150,511.08

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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.