Home / 216,831.84-325,247.76-142,942.56

Finding the Fourth Proportional to 216,831.84, 325,247.76 and 142,942.56

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Solution

The fourth proportional to 216,831.84, 325,247.76 and 142,942.56 is: 214,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,831.84 : 325,247.76 = 142,942.56 : x
  2. Step 2: Convert to fraction form
    216,831.84/325,247.76 = 142,942.56/x
  3. Step 3: Cross multiply
    216,831.84x = 325,247.76 × 142,942.56
  4. Step 4: Simplify right side
    216,831.84x = 46,491,747,448.67
  5. Step 5: Solve for x
    x = 46,491,747,448.67/216,831.84
  6. Step 6: Final answer
    x = 214,413.84

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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.