Home / 109,074.20-163,611.30-108,296.60

Finding the Fourth Proportional to 109,074.20, 163,611.30 and 108,296.60

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Solution

The fourth proportional to 109,074.20, 163,611.30 and 108,296.60 is: 162,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,074.20 : 163,611.30 = 108,296.60 : x
  2. Step 2: Convert to fraction form
    109,074.20/163,611.30 = 108,296.60/x
  3. Step 3: Cross multiply
    109,074.20x = 163,611.30 × 108,296.60
  4. Step 4: Simplify right side
    109,074.20x = 17,718,547,511.58
  5. Step 5: Solve for x
    x = 17,718,547,511.58/109,074.20
  6. Step 6: Final answer
    x = 162,444.90

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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.