Home / 150,136.86-207,185.67-82,153.56

Finding the Fourth Proportional to 150,136.86, 207,185.67 and 82,153.56

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Solution

The fourth proportional to 150,136.86, 207,185.67 and 82,153.56 is: 113,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,136.86 : 207,185.67 = 82,153.56 : x
  2. Step 2: Convert to fraction form
    150,136.86/207,185.67 = 82,153.56/x
  3. Step 3: Cross multiply
    150,136.86x = 207,185.67 × 82,153.56
  4. Step 4: Simplify right side
    150,136.86x = 17,021,040,371.49
  5. Step 5: Solve for x
    x = 17,021,040,371.49/150,136.86
  6. Step 6: Final answer
    x = 113,370.16

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1.5x scale

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.