Home / 168,037.32-231,735.68-122,643.44

Finding the Fourth Proportional to 168,037.32, 231,735.68 and 122,643.44

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Solution

The fourth proportional to 168,037.32, 231,735.68 and 122,643.44 is: 169,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,037.32 : 231,735.68 = 122,643.44 : x
  2. Step 2: Convert to fraction form
    168,037.32/231,735.68 = 122,643.44/x
  3. Step 3: Cross multiply
    168,037.32x = 231,735.68 × 122,643.44
  4. Step 4: Simplify right side
    168,037.32x = 28,420,860,965.94
  5. Step 5: Solve for x
    x = 28,420,860,965.94/168,037.32
  6. Step 6: Final answer
    x = 169,134.22

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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.