Home / 260,645.12-390,694.08-110,850.56

Finding the Fourth Proportional to 260,645.12, 390,694.08 and 110,850.56

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Solution

The fourth proportional to 260,645.12, 390,694.08 and 110,850.56 is: 166,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,645.12 : 390,694.08 = 110,850.56 : x
  2. Step 2: Convert to fraction form
    260,645.12/390,694.08 = 110,850.56/x
  3. Step 3: Cross multiply
    260,645.12x = 390,694.08 × 110,850.56
  4. Step 4: Simplify right side
    260,645.12x = 43,308,657,556.68
  5. Step 5: Solve for x
    x = 43,308,657,556.68/260,645.12
  6. Step 6: Final answer
    x = 166,159.48

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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.