Home / 188,666.42-260,378.75-108,104.63

Finding the Fourth Proportional to 188,666.42, 260,378.75 and 108,104.63

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Solution

The fourth proportional to 188,666.42, 260,378.75 and 108,104.63 is: 149,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,666.42 : 260,378.75 = 108,104.63 : x
  2. Step 2: Convert to fraction form
    188,666.42/260,378.75 = 108,104.63/x
  3. Step 3: Cross multiply
    188,666.42x = 260,378.75 × 108,104.63
  4. Step 4: Simplify right side
    188,666.42x = 28,148,147,396.98
  5. Step 5: Solve for x
    x = 28,148,147,396.98/188,666.42
  6. Step 6: Final answer
    x = 149,195.33

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1.5x scale

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.