Finding the Fourth Proportional to 136,443.02, 204,735.60 and 103,153.26
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Solution
The fourth proportional to 136,443.02, 204,735.60 and 103,153.26 is: 154,783.62
Step by Step Solution
- Step 1: Write the proportion equation
136,443.02 : 204,735.60 = 103,153.26 : x - Step 2: Convert to fraction form
136,443.02/204,735.60 = 103,153.26/x - Step 3: Cross multiply
136,443.02x = 204,735.60 × 103,153.26 - Step 4: Simplify right side
136,443.02x = 21,119,144,578.06 - Step 5: Solve for x
x = 21,119,144,578.06/136,443.02 - Step 6: Final answer
x = 154,783.62
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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.