Home / 199,278.59-275,002.19-108,632.56

Finding the Fourth Proportional to 199,278.59, 275,002.19 and 108,632.56

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Solution

The fourth proportional to 199,278.59, 275,002.19 and 108,632.56 is: 149,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,278.59 : 275,002.19 = 108,632.56 : x
  2. Step 2: Convert to fraction form
    199,278.59/275,002.19 = 108,632.56/x
  3. Step 3: Cross multiply
    199,278.59x = 275,002.19 × 108,632.56
  4. Step 4: Simplify right side
    199,278.59x = 29,874,190,674.64
  5. Step 5: Solve for x
    x = 29,874,190,674.64/199,278.59
  6. Step 6: Final answer
    x = 149,911.69

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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.