Finding the Fourth Proportional to 127,344.84, 190,744.56 and 67,183.26
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Solution
The fourth proportional to 127,344.84, 190,744.56 and 67,183.26 is: 100,631.02
Step by Step Solution
- Step 1: Write the proportion equation
127,344.84 : 190,744.56 = 67,183.26 : x - Step 2: Convert to fraction form
127,344.84/190,744.56 = 67,183.26/x - Step 3: Cross multiply
127,344.84x = 190,744.56 × 67,183.26 - Step 4: Simplify right side
127,344.84x = 12,814,841,368.07 - Step 5: Solve for x
x = 12,814,841,368.07/127,344.84 - Step 6: Final answer
x = 100,631.02
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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.