Home / 190,203.42-285,198.24-130,299.44

Finding the Fourth Proportional to 190,203.42, 285,198.24 and 130,299.44

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Solution

The fourth proportional to 190,203.42, 285,198.24 and 130,299.44 is: 195,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203.42 : 285,198.24 = 130,299.44 : x
  2. Step 2: Convert to fraction form
    190,203.42/285,198.24 = 130,299.44/x
  3. Step 3: Cross multiply
    190,203.42x = 285,198.24 × 130,299.44
  4. Step 4: Simplify right side
    190,203.42x = 37,161,169,657.15
  5. Step 5: Solve for x
    x = 37,161,169,657.15/190,203.42
  6. Step 6: Final answer
    x = 195,375.93

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1.5x scale

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.