Home / 199,213.81-274,911.56-108,570.55

Finding the Fourth Proportional to 199,213.81, 274,911.56 and 108,570.55

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Solution

The fourth proportional to 199,213.81, 274,911.56 and 108,570.55 is: 149,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,213.81 : 274,911.56 = 108,570.55 : x
  2. Step 2: Convert to fraction form
    199,213.81/274,911.56 = 108,570.55/x
  3. Step 3: Cross multiply
    199,213.81x = 274,911.56 × 108,570.55
  4. Step 4: Simplify right side
    199,213.81x = 29,847,299,270.56
  5. Step 5: Solve for x
    x = 29,847,299,270.56/199,213.81
  6. Step 6: Final answer
    x = 149,825.45

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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.