Home / 188,869.70-283,632.60-100,296.20

Finding the Fourth Proportional to 188,869.70, 283,632.60 and 100,296.20

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Solution

The fourth proportional to 188,869.70, 283,632.60 and 100,296.20 is: 150,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.70 : 283,632.60 = 100,296.20 : x
  2. Step 2: Convert to fraction form
    188,869.70/283,632.60 = 100,296.20/x
  3. Step 3: Cross multiply
    188,869.70x = 283,632.60 × 100,296.20
  4. Step 4: Simplify right side
    188,869.70x = 28,447,271,976.12
  5. Step 5: Solve for x
    x = 28,447,271,976.12/188,869.70
  6. Step 6: Final answer
    x = 150,618.51

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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.