Home / 112,255.67-168,383.21-45,680.05

Finding the Fourth Proportional to 112,255.67, 168,383.21 and 45,680.05

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Solution

The fourth proportional to 112,255.67, 168,383.21 and 45,680.05 is: 68,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.67 : 168,383.21 = 45,680.05 : x
  2. Step 2: Convert to fraction form
    112,255.67/168,383.21 = 45,680.05/x
  3. Step 3: Cross multiply
    112,255.67x = 168,383.21 × 45,680.05
  4. Step 4: Simplify right side
    112,255.67x = 7,691,753,434.04
  5. Step 5: Solve for x
    x = 7,691,753,434.04/112,255.67
  6. Step 6: Final answer
    x = 68,519.95

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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.