Home / 260,059.23-390,163.56-108,226.75

Finding the Fourth Proportional to 260,059.23, 390,163.56 and 108,226.75

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Solution

The fourth proportional to 260,059.23, 390,163.56 and 108,226.75 is: 162,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,059.23 : 390,163.56 = 108,226.75 : x
  2. Step 2: Convert to fraction form
    260,059.23/390,163.56 = 108,226.75/x
  3. Step 3: Cross multiply
    260,059.23x = 390,163.56 × 108,226.75
  4. Step 4: Simplify right side
    260,059.23x = 42,226,134,067.23
  5. Step 5: Solve for x
    x = 42,226,134,067.23/260,059.23
  6. Step 6: Final answer
    x = 162,371.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.