Home / 188,719.55-260,440.12-108,162.62

Finding the Fourth Proportional to 188,719.55, 260,440.12 and 108,162.62

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Solution

The fourth proportional to 188,719.55, 260,440.12 and 108,162.62 is: 149,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,719.55 : 260,440.12 = 108,162.62 : x
  2. Step 2: Convert to fraction form
    188,719.55/260,440.12 = 108,162.62/x
  3. Step 3: Cross multiply
    188,719.55x = 260,440.12 × 108,162.62
  4. Step 4: Simplify right side
    188,719.55x = 28,169,885,732.31
  5. Step 5: Solve for x
    x = 28,169,885,732.31/188,719.55
  6. Step 6: Final answer
    x = 149,268.51

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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.