Home / 143,380.95-214,650.85-100,537.83

Finding the Fourth Proportional to 143,380.95, 214,650.85 and 100,537.83

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Solution

The fourth proportional to 143,380.95, 214,650.85 and 100,537.83 is: 150,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,380.95 : 214,650.85 = 100,537.83 : x
  2. Step 2: Convert to fraction form
    143,380.95/214,650.85 = 100,537.83/x
  3. Step 3: Cross multiply
    143,380.95x = 214,650.85 × 100,537.83
  4. Step 4: Simplify right side
    143,380.95x = 21,580,530,666.66
  5. Step 5: Solve for x
    x = 21,580,530,666.66/143,380.95
  6. Step 6: Final answer
    x = 150,511.84

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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.