Home / 150,002.41-207,003.51-82,019.68

Finding the Fourth Proportional to 150,002.41, 207,003.51 and 82,019.68

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Solution

The fourth proportional to 150,002.41, 207,003.51 and 82,019.68 is: 113,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,002.41 : 207,003.51 = 82,019.68 : x
  2. Step 2: Convert to fraction form
    150,002.41/207,003.51 = 82,019.68/x
  3. Step 3: Cross multiply
    150,002.41x = 207,003.51 × 82,019.68
  4. Step 4: Simplify right side
    150,002.41x = 16,978,361,649.08
  5. Step 5: Solve for x
    x = 16,978,361,649.08/150,002.41
  6. Step 6: Final answer
    x = 113,187.26

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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.