Finding the Fourth Proportional to 118,556.95, 177,928.80 and 52,042.99
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Solution
The fourth proportional to 118,556.95, 177,928.80 and 52,042.99 is: 78,105.47
Step by Step Solution
- Step 1: Write the proportion equation
118,556.95 : 177,928.80 = 52,042.99 : x - Step 2: Convert to fraction form
118,556.95/177,928.80 = 52,042.99/x - Step 3: Cross multiply
118,556.95x = 177,928.80 × 52,042.99 - Step 4: Simplify right side
118,556.95x = 9,259,946,759.11 - Step 5: Solve for x
x = 9,259,946,759.11/118,556.95 - Step 6: Final answer
x = 78,105.47
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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.