Home / 213,327.23-320,013.34-71,122.94

Finding the Fourth Proportional to 213,327.23, 320,013.34 and 71,122.94

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Solution

The fourth proportional to 213,327.23, 320,013.34 and 71,122.94 is: 106,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,327.23 : 320,013.34 = 71,122.94 : x
  2. Step 2: Convert to fraction form
    213,327.23/320,013.34 = 71,122.94/x
  3. Step 3: Cross multiply
    213,327.23x = 320,013.34 × 71,122.94
  4. Step 4: Simplify right side
    213,327.23x = 22,760,289,580.02
  5. Step 5: Solve for x
    x = 22,760,289,580.02/213,327.23
  6. Step 6: Final answer
    x = 106,691.91

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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.