Home / 199,356.75-275,112.32-109,932.75

Finding the Fourth Proportional to 199,356.75, 275,112.32 and 109,932.75

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Solution

The fourth proportional to 199,356.75, 275,112.32 and 109,932.75 is: 151,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,356.75 : 275,112.32 = 109,932.75 : x
  2. Step 2: Convert to fraction form
    199,356.75/275,112.32 = 109,932.75/x
  3. Step 3: Cross multiply
    199,356.75x = 275,112.32 × 109,932.75
  4. Step 4: Simplify right side
    199,356.75x = 30,243,853,346.82
  5. Step 5: Solve for x
    x = 30,243,853,346.82/199,356.75
  6. Step 6: Final answer
    x = 151,707.20

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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.