Home / 319,427.20-479,037.14-106,137.83

Finding the Fourth Proportional to 319,427.20, 479,037.14 and 106,137.83

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Solution

The fourth proportional to 319,427.20, 479,037.14 and 106,137.83 is: 159,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,427.20 : 479,037.14 = 106,137.83 : x
  2. Step 2: Convert to fraction form
    319,427.20/479,037.14 = 106,137.83/x
  3. Step 3: Cross multiply
    319,427.20x = 479,037.14 × 106,137.83
  4. Step 4: Simplify right side
    319,427.20x = 50,843,964,190.95
  5. Step 5: Solve for x
    x = 50,843,964,190.95/319,427.20
  6. Step 6: Final answer
    x = 159,172.31

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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.