Home / 213,010.56-319,523.94-70,868.52

Finding the Fourth Proportional to 213,010.56, 319,523.94 and 70,868.52

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Solution

The fourth proportional to 213,010.56, 319,523.94 and 70,868.52 is: 106,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,010.56 : 319,523.94 = 70,868.52 : x
  2. Step 2: Convert to fraction form
    213,010.56/319,523.94 = 70,868.52/x
  3. Step 3: Cross multiply
    213,010.56x = 319,523.94 × 70,868.52
  4. Step 4: Simplify right side
    213,010.56x = 22,644,188,732.37
  5. Step 5: Solve for x
    x = 22,644,188,732.37/213,010.56
  6. Step 6: Final answer
    x = 106,305.47

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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.