Home / 100,136.86-150,151.41-40,135.23

Finding the Fourth Proportional to 100,136.86, 150,151.41 and 40,135.23

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Solution

The fourth proportional to 100,136.86, 150,151.41 and 40,135.23 is: 60,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136.86 : 150,151.41 = 40,135.23 : x
  2. Step 2: Convert to fraction form
    100,136.86/150,151.41 = 40,135.23/x
  3. Step 3: Cross multiply
    100,136.86x = 150,151.41 × 40,135.23
  4. Step 4: Simplify right side
    100,136.86x = 6,026,360,939.26
  5. Step 5: Solve for x
    x = 6,026,360,939.26/100,136.86
  6. Step 6: Final answer
    x = 60,181.24

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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.