Home / 100,137.86-150,152.91-40,136.23

Finding the Fourth Proportional to 100,137.86, 150,152.91 and 40,136.23

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Solution

The fourth proportional to 100,137.86, 150,152.91 and 40,136.23 is: 60,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,137.86 : 150,152.91 = 40,136.23 : x
  2. Step 2: Convert to fraction form
    100,137.86/150,152.91 = 40,136.23/x
  3. Step 3: Cross multiply
    100,137.86x = 150,152.91 × 40,136.23
  4. Step 4: Simplify right side
    100,137.86x = 6,026,571,730.93
  5. Step 5: Solve for x
    x = 6,026,571,730.93/100,137.86
  6. Step 6: Final answer
    x = 60,182.75

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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.