Home / 260,959.02-391,586.04-111,183.54

Finding the Fourth Proportional to 260,959.02, 391,586.04 and 111,183.54

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Solution

The fourth proportional to 260,959.02, 391,586.04 and 111,183.54 is: 166,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,959.02 : 391,586.04 = 111,183.54 : x
  2. Step 2: Convert to fraction form
    260,959.02/391,586.04 = 111,183.54/x
  3. Step 3: Cross multiply
    260,959.02x = 391,586.04 × 111,183.54
  4. Step 4: Simplify right side
    260,959.02x = 43,537,922,141.78
  5. Step 5: Solve for x
    x = 43,537,922,141.78/260,959.02
  6. Step 6: Final answer
    x = 166,838.16

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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.