Home / 126,774.97-190,162.44-103,054.21

Finding the Fourth Proportional to 126,774.97, 190,162.44 and 103,054.21

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Solution

The fourth proportional to 126,774.97, 190,162.44 and 103,054.21 is: 154,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,774.97 : 190,162.44 = 103,054.21 : x
  2. Step 2: Convert to fraction form
    126,774.97/190,162.44 = 103,054.21/x
  3. Step 3: Cross multiply
    126,774.97x = 190,162.44 × 103,054.21
  4. Step 4: Simplify right side
    126,774.97x = 19,597,040,025.87
  5. Step 5: Solve for x
    x = 19,597,040,025.87/126,774.97
  6. Step 6: Final answer
    x = 154,581.30

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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.