Finding the Fourth Proportional to 118,540.26, 177,595.06 and 68,514.70
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Solution
The fourth proportional to 118,540.26, 177,595.06 and 68,514.70 is: 102,647.59
Step by Step Solution
- Step 1: Write the proportion equation
118,540.26 : 177,595.06 = 68,514.70 : x - Step 2: Convert to fraction form
118,540.26/177,595.06 = 68,514.70/x - Step 3: Cross multiply
118,540.26x = 177,595.06 × 68,514.70 - Step 4: Simplify right side
118,540.26x = 12,167,872,257.38 - Step 5: Solve for x
x = 12,167,872,257.38/118,540.26 - Step 6: Final answer
x = 102,647.59
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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.