Finding the Fourth Proportional to 136,732.51, 205,072.80 and 57,902.08
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Solution
The fourth proportional to 136,732.51, 205,072.80 and 57,902.08 is: 86,842.12
Step by Step Solution
- Step 1: Write the proportion equation
136,732.51 : 205,072.80 = 57,902.08 : x - Step 2: Convert to fraction form
136,732.51/205,072.80 = 57,902.08/x - Step 3: Cross multiply
136,732.51x = 205,072.80 × 57,902.08 - Step 4: Simplify right side
136,732.51x = 11,874,141,671.42 - Step 5: Solve for x
x = 11,874,141,671.42/136,732.51 - Step 6: Final answer
x = 86,842.12
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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.