Finding the Fourth Proportional to 176,548.47, 243,635.87 and 100,081.99
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Solution
The fourth proportional to 176,548.47, 243,635.87 and 100,081.99 is: 138,112.57
Step by Step Solution
- Step 1: Write the proportion equation
176,548.47 : 243,635.87 = 100,081.99 : x - Step 2: Convert to fraction form
176,548.47/243,635.87 = 100,081.99/x - Step 3: Cross multiply
176,548.47x = 243,635.87 × 100,081.99 - Step 4: Simplify right side
176,548.47x = 24,383,562,704.98 - Step 5: Solve for x
x = 24,383,562,704.98/176,548.47 - Step 6: Final answer
x = 138,112.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.