Home / 188,718.27-260,438.38-108,161.34

Finding the Fourth Proportional to 188,718.27, 260,438.38 and 108,161.34

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Solution

The fourth proportional to 188,718.27, 260,438.38 and 108,161.34 is: 149,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,718.27 : 260,438.38 = 108,161.34 : x
  2. Step 2: Convert to fraction form
    188,718.27/260,438.38 = 108,161.34/x
  3. Step 3: Cross multiply
    188,718.27x = 260,438.38 × 108,161.34
  4. Step 4: Simplify right side
    188,718.27x = 28,169,364,994.56
  5. Step 5: Solve for x
    x = 28,169,364,994.56/188,718.27
  6. Step 6: Final answer
    x = 149,266.76

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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.