Home / 100,147.24-150,166.98-40,145.60

Finding the Fourth Proportional to 100,147.24, 150,166.98 and 40,145.60

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Solution

The fourth proportional to 100,147.24, 150,166.98 and 40,145.60 is: 60,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,147.24 : 150,166.98 = 40,145.60 : x
  2. Step 2: Convert to fraction form
    100,147.24/150,166.98 = 40,145.60/x
  3. Step 3: Cross multiply
    100,147.24x = 150,166.98 × 40,145.60
  4. Step 4: Simplify right side
    100,147.24x = 6,028,543,512.29
  5. Step 5: Solve for x
    x = 6,028,543,512.29/100,147.24
  6. Step 6: Final answer
    x = 60,196.80

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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.