Home / 120,608.22-166,449.54-66,910.50

Finding the Fourth Proportional to 120,608.22, 166,449.54 and 66,910.50

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Solution

The fourth proportional to 120,608.22, 166,449.54 and 66,910.50 is: 92,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,608.22 : 166,449.54 = 66,910.50 : x
  2. Step 2: Convert to fraction form
    120,608.22/166,449.54 = 66,910.50/x
  3. Step 3: Cross multiply
    120,608.22x = 166,449.54 × 66,910.50
  4. Step 4: Simplify right side
    120,608.22x = 11,137,221,946.17
  5. Step 5: Solve for x
    x = 11,137,221,946.17/120,608.22
  6. Step 6: Final answer
    x = 92,342.15

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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.