Home / 121,556.11-182,294.74-40,481.54

Finding the Fourth Proportional to 121,556.11, 182,294.74 and 40,481.54

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Solution

The fourth proportional to 121,556.11, 182,294.74 and 40,481.54 is: 60,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,556.11 : 182,294.74 = 40,481.54 : x
  2. Step 2: Convert to fraction form
    121,556.11/182,294.74 = 40,481.54/x
  3. Step 3: Cross multiply
    121,556.11x = 182,294.74 × 40,481.54
  4. Step 4: Simplify right side
    121,556.11x = 7,379,571,831.35
  5. Step 5: Solve for x
    x = 7,379,571,831.35/121,556.11
  6. Step 6: Final answer
    x = 60,709.18

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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.