Home / 198,633.66-274,119.74-107,995.72

Finding the Fourth Proportional to 198,633.66, 274,119.74 and 107,995.72

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Solution

The fourth proportional to 198,633.66, 274,119.74 and 107,995.72 is: 149,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,633.66 : 274,119.74 = 107,995.72 : x
  2. Step 2: Convert to fraction form
    198,633.66/274,119.74 = 107,995.72/x
  3. Step 3: Cross multiply
    198,633.66x = 274,119.74 × 107,995.72
  4. Step 4: Simplify right side
    198,633.66x = 29,603,758,687.51
  5. Step 5: Solve for x
    x = 29,603,758,687.51/198,633.66
  6. Step 6: Final answer
    x = 149,036.97

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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.