Home / 150,145.62-207,197.74-82,162.32

Finding the Fourth Proportional to 150,145.62, 207,197.74 and 82,162.32

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Solution

The fourth proportional to 150,145.62, 207,197.74 and 82,162.32 is: 113,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,145.62 : 207,197.74 = 82,162.32 : x
  2. Step 2: Convert to fraction form
    150,145.62/207,197.74 = 82,162.32/x
  3. Step 3: Cross multiply
    150,145.62x = 207,197.74 × 82,162.32
  4. Step 4: Simplify right side
    150,145.62x = 17,023,847,017.16
  5. Step 5: Solve for x
    x = 17,023,847,017.16/150,145.62
  6. Step 6: Final answer
    x = 113,382.24

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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.