Home / 188,719.05-260,439.43-108,162.12

Finding the Fourth Proportional to 188,719.05, 260,439.43 and 108,162.12

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Solution

The fourth proportional to 188,719.05, 260,439.43 and 108,162.12 is: 149,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,719.05 : 260,439.43 = 108,162.12 : x
  2. Step 2: Convert to fraction form
    188,719.05/260,439.43 = 108,162.12/x
  3. Step 3: Cross multiply
    188,719.05x = 260,439.43 × 108,162.12
  4. Step 4: Simplify right side
    188,719.05x = 28,169,680,880.39
  5. Step 5: Solve for x
    x = 28,169,680,880.39/188,719.05
  6. Step 6: Final answer
    x = 149,267.82

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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.