Finding the Fourth Proportional to 127,198.21, 190,619.12 and 95,588.06
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Solution
The fourth proportional to 127,198.21, 190,619.12 and 95,588.06 is: 143,248.18
Step by Step Solution
- Step 1: Write the proportion equation
127,198.21 : 190,619.12 = 95,588.06 : x - Step 2: Convert to fraction form
127,198.21/190,619.12 = 95,588.06/x - Step 3: Cross multiply
127,198.21x = 190,619.12 × 95,588.06 - Step 4: Simplify right side
127,198.21x = 18,220,912,057.54 - Step 5: Solve for x
x = 18,220,912,057.54/127,198.21 - Step 6: Final answer
x = 143,248.18
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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.