Home / 213,771.15-320,675.09-55,999.62

Finding the Fourth Proportional to 213,771.15, 320,675.09 and 55,999.62

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Solution

The fourth proportional to 213,771.15, 320,675.09 and 55,999.62 is: 84,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,771.15 : 320,675.09 = 55,999.62 : x
  2. Step 2: Convert to fraction form
    213,771.15/320,675.09 = 55,999.62/x
  3. Step 3: Cross multiply
    213,771.15x = 320,675.09 × 55,999.62
  4. Step 4: Simplify right side
    213,771.15x = 17,957,682,903.47
  5. Step 5: Solve for x
    x = 17,957,682,903.47/213,771.15
  6. Step 6: Final answer
    x = 84,004.24

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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.