Home / 109,080.49-163,620.96-30,194.95

Finding the Fourth Proportional to 109,080.49, 163,620.96 and 30,194.95

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Solution

The fourth proportional to 109,080.49, 163,620.96 and 30,194.95 is: 45,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,080.49 : 163,620.96 = 30,194.95 : x
  2. Step 2: Convert to fraction form
    109,080.49/163,620.96 = 30,194.95/x
  3. Step 3: Cross multiply
    109,080.49x = 163,620.96 × 30,194.95
  4. Step 4: Simplify right side
    109,080.49x = 4,940,526,706.15
  5. Step 5: Solve for x
    x = 4,940,526,706.15/109,080.49
  6. Step 6: Final answer
    x = 45,292.49

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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.