Home / 263,617.95-395,160.66-103,806.03

Finding the Fourth Proportional to 263,617.95, 395,160.66 and 103,806.03

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Solution

The fourth proportional to 263,617.95, 395,160.66 and 103,806.03 is: 155,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,617.95 : 395,160.66 = 103,806.03 : x
  2. Step 2: Convert to fraction form
    263,617.95/395,160.66 = 103,806.03/x
  3. Step 3: Cross multiply
    263,617.95x = 395,160.66 × 103,806.03
  4. Step 4: Simplify right side
    263,617.95x = 41,020,059,326.78
  5. Step 5: Solve for x
    x = 41,020,059,326.78/263,617.95
  6. Step 6: Final answer
    x = 155,604.20

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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.