Home / 209,753.37-289,450.31-122,546.57

Finding the Fourth Proportional to 209,753.37, 289,450.31 and 122,546.57

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Solution

The fourth proportional to 209,753.37, 289,450.31 and 122,546.57 is: 169,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,753.37 : 289,450.31 = 122,546.57 : x
  2. Step 2: Convert to fraction form
    209,753.37/289,450.31 = 122,546.57/x
  3. Step 3: Cross multiply
    209,753.37x = 289,450.31 × 122,546.57
  4. Step 4: Simplify right side
    209,753.37x = 35,471,140,615.95
  5. Step 5: Solve for x
    x = 35,471,140,615.95/209,753.37
  6. Step 6: Final answer
    x = 169,108.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.