Home / 190,491.73-262,868.49-108,803.94

Finding the Fourth Proportional to 190,491.73, 262,868.49 and 108,803.94

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Solution

The fourth proportional to 190,491.73, 262,868.49 and 108,803.94 is: 150,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,491.73 : 262,868.49 = 108,803.94 : x
  2. Step 2: Convert to fraction form
    190,491.73/262,868.49 = 108,803.94/x
  3. Step 3: Cross multiply
    190,491.73x = 262,868.49 × 108,803.94
  4. Step 4: Simplify right side
    190,491.73x = 28,601,127,413.85
  5. Step 5: Solve for x
    x = 28,601,127,413.85/190,491.73
  6. Step 6: Final answer
    x = 150,143.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.