Home / 188,724.22-260,446.58-108,167.29

Finding the Fourth Proportional to 188,724.22, 260,446.58 and 108,167.29

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Solution

The fourth proportional to 188,724.22, 260,446.58 and 108,167.29 is: 149,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,724.22 : 260,446.58 = 108,167.29 : x
  2. Step 2: Convert to fraction form
    188,724.22/260,446.58 = 108,167.29/x
  3. Step 3: Cross multiply
    188,724.22x = 260,446.58 × 108,167.29
  4. Step 4: Simplify right side
    188,724.22x = 28,171,800,748.37
  5. Step 5: Solve for x
    x = 28,171,800,748.37/188,724.22
  6. Step 6: Final answer
    x = 149,274.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.