Home / 190,620.92-285,933.82-50,378.34

Finding the Fourth Proportional to 190,620.92, 285,933.82 and 50,378.34

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Solution

The fourth proportional to 190,620.92, 285,933.82 and 50,378.34 is: 75,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,620.92 : 285,933.82 = 50,378.34 : x
  2. Step 2: Convert to fraction form
    190,620.92/285,933.82 = 50,378.34/x
  3. Step 3: Cross multiply
    190,620.92x = 285,933.82 × 50,378.34
  4. Step 4: Simplify right side
    190,620.92x = 14,404,871,201.46
  5. Step 5: Solve for x
    x = 14,404,871,201.46/190,620.92
  6. Step 6: Final answer
    x = 75,568.15

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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.