Home / 213,766.70-320,438.55-101,249.15

Finding the Fourth Proportional to 213,766.70, 320,438.55 and 101,249.15

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Solution

The fourth proportional to 213,766.70, 320,438.55 and 101,249.15 is: 151,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,766.70 : 320,438.55 = 101,249.15 : x
  2. Step 2: Convert to fraction form
    213,766.70/320,438.55 = 101,249.15/x
  3. Step 3: Cross multiply
    213,766.70x = 320,438.55 × 101,249.15
  4. Step 4: Simplify right side
    213,766.70x = 32,444,130,814.73
  5. Step 5: Solve for x
    x = 32,444,130,814.73/213,766.70
  6. Step 6: Final answer
    x = 151,773.55

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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.