Home / 112,620.30-168,930.45-108,683.70

Finding the Fourth Proportional to 112,620.30, 168,930.45 and 108,683.70

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Solution

The fourth proportional to 112,620.30, 168,930.45 and 108,683.70 is: 163,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,620.30 : 168,930.45 = 108,683.70 : x
  2. Step 2: Convert to fraction form
    112,620.30/168,930.45 = 108,683.70/x
  3. Step 3: Cross multiply
    112,620.30x = 168,930.45 × 108,683.70
  4. Step 4: Simplify right side
    112,620.30x = 18,359,986,348.67
  5. Step 5: Solve for x
    x = 18,359,986,348.67/112,620.30
  6. Step 6: Final answer
    x = 163,025.55

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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.