Home / 213,147.41-319,651.90-70,954.49

Finding the Fourth Proportional to 213,147.41, 319,651.90 and 70,954.49

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Solution

The fourth proportional to 213,147.41, 319,651.90 and 70,954.49 is: 106,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,147.41 : 319,651.90 = 70,954.49 : x
  2. Step 2: Convert to fraction form
    213,147.41/319,651.90 = 70,954.49/x
  3. Step 3: Cross multiply
    213,147.41x = 319,651.90 × 70,954.49
  4. Step 4: Simplify right side
    213,147.41x = 22,680,737,187.26
  5. Step 5: Solve for x
    x = 22,680,737,187.26/213,147.41
  6. Step 6: Final answer
    x = 106,408.69

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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.