Home / 126,979.11-190,474.74-104,751.27

Finding the Fourth Proportional to 126,979.11, 190,474.74 and 104,751.27

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Solution

The fourth proportional to 126,979.11, 190,474.74 and 104,751.27 is: 157,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,979.11 : 190,474.74 = 104,751.27 : x
  2. Step 2: Convert to fraction form
    126,979.11/190,474.74 = 104,751.27/x
  3. Step 3: Cross multiply
    126,979.11x = 190,474.74 × 104,751.27
  4. Step 4: Simplify right side
    126,979.11x = 19,952,470,917.92
  5. Step 5: Solve for x
    x = 19,952,470,917.92/126,979.11
  6. Step 6: Final answer
    x = 157,131.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.