Home / 126,879.44-190,302.60-47,983.40

Finding the Fourth Proportional to 126,879.44, 190,302.60 and 47,983.40

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Solution

The fourth proportional to 126,879.44, 190,302.60 and 47,983.40 is: 71,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,879.44 : 190,302.60 = 47,983.40 : x
  2. Step 2: Convert to fraction form
    126,879.44/190,302.60 = 47,983.40/x
  3. Step 3: Cross multiply
    126,879.44x = 190,302.60 × 47,983.40
  4. Step 4: Simplify right side
    126,879.44x = 9,131,365,776.84
  5. Step 5: Solve for x
    x = 9,131,365,776.84/126,879.44
  6. Step 6: Final answer
    x = 71,968.84

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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.