Home / 112,448.37-168,536.14-82,589.32

Finding the Fourth Proportional to 112,448.37, 168,536.14 and 82,589.32

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Solution

The fourth proportional to 112,448.37, 168,536.14 and 82,589.32 is: 123,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448.37 : 168,536.14 = 82,589.32 : x
  2. Step 2: Convert to fraction form
    112,448.37/168,536.14 = 82,589.32/x
  3. Step 3: Cross multiply
    112,448.37x = 168,536.14 × 82,589.32
  4. Step 4: Simplify right side
    112,448.37x = 13,919,285,198.02
  5. Step 5: Solve for x
    x = 13,919,285,198.02/112,448.37
  6. Step 6: Final answer
    x = 123,783.79

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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.