Finding the Fourth Proportional to 136,296.34, 204,531.99 and 66,137.38
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Solution
The fourth proportional to 136,296.34, 204,531.99 and 66,137.38 is: 99,248.52
Step by Step Solution
- Step 1: Write the proportion equation
136,296.34 : 204,531.99 = 66,137.38 : x - Step 2: Convert to fraction form
136,296.34/204,531.99 = 66,137.38/x - Step 3: Cross multiply
136,296.34x = 204,531.99 × 66,137.38 - Step 4: Simplify right side
136,296.34x = 13,527,209,944.79 - Step 5: Solve for x
x = 13,527,209,944.79/136,296.34 - Step 6: Final answer
x = 99,248.52
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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.