Finding the Fourth Proportional to 127,109.57, 190,546.62 and 47,102.99
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Solution
The fourth proportional to 127,109.57, 190,546.62 and 47,102.99 is: 70,610.86
Step by Step Solution
- Step 1: Write the proportion equation
127,109.57 : 190,546.62 = 47,102.99 : x - Step 2: Convert to fraction form
127,109.57/190,546.62 = 47,102.99/x - Step 3: Cross multiply
127,109.57x = 190,546.62 × 47,102.99 - Step 4: Simplify right side
127,109.57x = 8,975,315,536.39 - Step 5: Solve for x
x = 8,975,315,536.39/127,109.57 - Step 6: Final answer
x = 70,610.86
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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.