Home / 120,481.04-166,269.48-75,185.84

Finding the Fourth Proportional to 120,481.04, 166,269.48 and 75,185.84

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Solution

The fourth proportional to 120,481.04, 166,269.48 and 75,185.84 is: 103,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,481.04 : 166,269.48 = 75,185.84 : x
  2. Step 2: Convert to fraction form
    120,481.04/166,269.48 = 75,185.84/x
  3. Step 3: Cross multiply
    120,481.04x = 166,269.48 × 75,185.84
  4. Step 4: Simplify right side
    120,481.04x = 12,501,110,520.16
  5. Step 5: Solve for x
    x = 12,501,110,520.16/120,481.04
  6. Step 6: Final answer
    x = 103,759.98

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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.