Home / 150,146.11-207,198.43-82,162.81

Finding the Fourth Proportional to 150,146.11, 207,198.43 and 82,162.81

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Solution

The fourth proportional to 150,146.11, 207,198.43 and 82,162.81 is: 113,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,146.11 : 207,198.43 = 82,162.81 : x
  2. Step 2: Convert to fraction form
    150,146.11/207,198.43 = 82,162.81/x
  3. Step 3: Cross multiply
    150,146.11x = 207,198.43 × 82,162.81
  4. Step 4: Simplify right side
    150,146.11x = 17,024,005,236.39
  5. Step 5: Solve for x
    x = 17,024,005,236.39/150,146.11
  6. Step 6: Final answer
    x = 113,382.93

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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.