Home / 120,890.44-166,819.02-69,906.49

Finding the Fourth Proportional to 120,890.44, 166,819.02 and 69,906.49

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Solution

The fourth proportional to 120,890.44, 166,819.02 and 69,906.49 is: 96,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,890.44 : 166,819.02 = 69,906.49 : x
  2. Step 2: Convert to fraction form
    120,890.44/166,819.02 = 69,906.49/x
  3. Step 3: Cross multiply
    120,890.44x = 166,819.02 × 69,906.49
  4. Step 4: Simplify right side
    120,890.44x = 11,661,732,153.44
  5. Step 5: Solve for x
    x = 11,661,732,153.44/120,890.44
  6. Step 6: Final answer
    x = 96,465.30

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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.