Home / 213,998.21-320,996.54-64,237.85

Finding the Fourth Proportional to 213,998.21, 320,996.54 and 64,237.85

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Solution

The fourth proportional to 213,998.21, 320,996.54 and 64,237.85 is: 96,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,998.21 : 320,996.54 = 64,237.85 : x
  2. Step 2: Convert to fraction form
    213,998.21/320,996.54 = 64,237.85/x
  3. Step 3: Cross multiply
    213,998.21x = 320,996.54 × 64,237.85
  4. Step 4: Simplify right side
    213,998.21x = 20,620,125,660.87
  5. Step 5: Solve for x
    x = 20,620,125,660.87/213,998.21
  6. Step 6: Final answer
    x = 96,356.54

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1.5x scale

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.