Home / 112,009.05-168,083.91-45,449.46

Finding the Fourth Proportional to 112,009.05, 168,083.91 and 45,449.46

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Solution

The fourth proportional to 112,009.05, 168,083.91 and 45,449.46 is: 68,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.05 : 168,083.91 = 45,449.46 : x
  2. Step 2: Convert to fraction form
    112,009.05/168,083.91 = 45,449.46/x
  3. Step 3: Cross multiply
    112,009.05x = 168,083.91 × 45,449.46
  4. Step 4: Simplify right side
    112,009.05x = 7,639,322,944.19
  5. Step 5: Solve for x
    x = 7,639,322,944.19/112,009.05
  6. Step 6: Final answer
    x = 68,202.73

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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.