Home / 112,512.30-168,768.45-108,575.70

Finding the Fourth Proportional to 112,512.30, 168,768.45 and 108,575.70

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Solution

The fourth proportional to 112,512.30, 168,768.45 and 108,575.70 is: 162,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512.30 : 168,768.45 = 108,575.70 : x
  2. Step 2: Convert to fraction form
    112,512.30/168,768.45 = 108,575.70/x
  3. Step 3: Cross multiply
    112,512.30x = 168,768.45 × 108,575.70
  4. Step 4: Simplify right side
    112,512.30x = 18,324,152,596.67
  5. Step 5: Solve for x
    x = 18,324,152,596.67/112,512.30
  6. Step 6: Final answer
    x = 162,863.55

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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.