Home / 199,380.75-275,145.44-109,956.75

Finding the Fourth Proportional to 199,380.75, 275,145.44 and 109,956.75

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Solution

The fourth proportional to 199,380.75, 275,145.44 and 109,956.75 is: 151,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,380.75 : 275,145.44 = 109,956.75 : x
  2. Step 2: Convert to fraction form
    199,380.75/275,145.44 = 109,956.75/x
  3. Step 3: Cross multiply
    199,380.75x = 275,145.44 × 109,956.75
  4. Step 4: Simplify right side
    199,380.75x = 30,254,097,809.94
  5. Step 5: Solve for x
    x = 30,254,097,809.94/199,380.75
  6. Step 6: Final answer
    x = 151,740.32

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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.