Home / 100,148.24-150,168.48-40,146.60

Finding the Fourth Proportional to 100,148.24, 150,168.48 and 40,146.60

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Solution

The fourth proportional to 100,148.24, 150,168.48 and 40,146.60 is: 60,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.24 : 150,168.48 = 40,146.60 : x
  2. Step 2: Convert to fraction form
    100,148.24/150,168.48 = 40,146.60/x
  3. Step 3: Cross multiply
    100,148.24x = 150,168.48 × 40,146.60
  4. Step 4: Simplify right side
    100,148.24x = 6,028,753,899.17
  5. Step 5: Solve for x
    x = 6,028,753,899.17/100,148.24
  6. Step 6: Final answer
    x = 60,198.30

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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.