Home / 188,316.63-259,922.21-107,790.84

Finding the Fourth Proportional to 188,316.63, 259,922.21 and 107,790.84

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Solution

The fourth proportional to 188,316.63, 259,922.21 and 107,790.84 is: 148,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,316.63 : 259,922.21 = 107,790.84 : x
  2. Step 2: Convert to fraction form
    188,316.63/259,922.21 = 107,790.84/x
  3. Step 3: Cross multiply
    188,316.63x = 259,922.21 × 107,790.84
  4. Step 4: Simplify right side
    188,316.63x = 28,017,233,350.56
  5. Step 5: Solve for x
    x = 28,017,233,350.56/188,316.63
  6. Step 6: Final answer
    x = 148,777.27

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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.