Finding the Fourth Proportional to 136,477.04, 204,676.68 and 86,481.68
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Solution
The fourth proportional to 136,477.04, 204,676.68 and 86,481.68 is: 129,697.88
Step by Step Solution
- Step 1: Write the proportion equation
136,477.04 : 204,676.68 = 86,481.68 : x - Step 2: Convert to fraction form
136,477.04/204,676.68 = 86,481.68/x - Step 3: Cross multiply
136,477.04x = 204,676.68 × 86,481.68 - Step 4: Simplify right side
136,477.04x = 17,700,783,143.22 - Step 5: Solve for x
x = 17,700,783,143.22/136,477.04 - Step 6: Final answer
x = 129,697.88
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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.