Finding the Fourth Proportional to 118,514.08, 177,334.34 and 71,157.94
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Solution
The fourth proportional to 118,514.08, 177,334.34 and 71,157.94 is: 106,474.66
Step by Step Solution
- Step 1: Write the proportion equation
118,514.08 : 177,334.34 = 71,157.94 : x - Step 2: Convert to fraction form
118,514.08/177,334.34 = 71,157.94/x - Step 3: Cross multiply
118,514.08x = 177,334.34 × 71,157.94 - Step 4: Simplify right side
118,514.08x = 12,618,746,325.66 - Step 5: Solve for x
x = 12,618,746,325.66/118,514.08 - Step 6: Final answer
x = 106,474.66
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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.