Finding the Fourth Proportional to 102,588.14, 141,546.70 and 60,138.46
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Solution
The fourth proportional to 102,588.14, 141,546.70 and 60,138.46 is: 82,976.46
Step by Step Solution
- Step 1: Write the proportion equation
102,588.14 : 141,546.70 = 60,138.46 : x - Step 2: Convert to fraction form
102,588.14/141,546.70 = 60,138.46/x - Step 3: Cross multiply
102,588.14x = 141,546.70 × 60,138.46 - Step 4: Simplify right side
102,588.14x = 8,512,400,556.08 - Step 5: Solve for x
x = 8,512,400,556.08/102,588.14 - Step 6: Final answer
x = 82,976.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.