Home / 263,689.08-395,556.93-74,151.06

Finding the Fourth Proportional to 263,689.08, 395,556.93 and 74,151.06

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Solution

The fourth proportional to 263,689.08, 395,556.93 and 74,151.06 is: 111,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,689.08 : 395,556.93 = 74,151.06 : x
  2. Step 2: Convert to fraction form
    263,689.08/395,556.93 = 74,151.06/x
  3. Step 3: Cross multiply
    263,689.08x = 395,556.93 × 74,151.06
  4. Step 4: Simplify right side
    263,689.08x = 29,330,965,649.85
  5. Step 5: Solve for x
    x = 29,330,965,649.85/263,689.08
  6. Step 6: Final answer
    x = 111,233.14

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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.