Home / 188,043.14-259,483.97-103,160.21

Finding the Fourth Proportional to 188,043.14, 259,483.97 and 103,160.21

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Solution

The fourth proportional to 188,043.14, 259,483.97 and 103,160.21 is: 142,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,043.14 : 259,483.97 = 103,160.21 : x
  2. Step 2: Convert to fraction form
    188,043.14/259,483.97 = 103,160.21/x
  3. Step 3: Cross multiply
    188,043.14x = 259,483.97 × 103,160.21
  4. Step 4: Simplify right side
    188,043.14x = 26,768,419,797.31
  5. Step 5: Solve for x
    x = 26,768,419,797.31/188,043.14
  6. Step 6: Final answer
    x = 142,352.54

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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.