Home / 190,334.31-285,479.39-50,103.87

Finding the Fourth Proportional to 190,334.31, 285,479.39 and 50,103.87

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Solution

The fourth proportional to 190,334.31, 285,479.39 and 50,103.87 is: 75,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,334.31 : 285,479.39 = 50,103.87 : x
  2. Step 2: Convert to fraction form
    190,334.31/285,479.39 = 50,103.87/x
  3. Step 3: Cross multiply
    190,334.31x = 285,479.39 × 50,103.87
  4. Step 4: Simplify right side
    190,334.31x = 14,303,621,993.72
  5. Step 5: Solve for x
    x = 14,303,621,993.72/190,334.31
  6. Step 6: Final answer
    x = 75,149.99

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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.