Home / 188,822.68-260,544.78-108,235.40

Finding the Fourth Proportional to 188,822.68, 260,544.78 and 108,235.40

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Solution

The fourth proportional to 188,822.68, 260,544.78 and 108,235.40 is: 149,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,822.68 : 260,544.78 = 108,235.40 : x
  2. Step 2: Convert to fraction form
    188,822.68/260,544.78 = 108,235.40/x
  3. Step 3: Cross multiply
    188,822.68x = 260,544.78 × 108,235.40
  4. Step 4: Simplify right side
    188,822.68x = 28,200,168,481.21
  5. Step 5: Solve for x
    x = 28,200,168,481.21/188,822.68
  6. Step 6: Final answer
    x = 149,347.36

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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.