Finding the Fourth Proportional to 110,954.88, 166,473.18 and 79,615.08
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Solution
The fourth proportional to 110,954.88, 166,473.18 and 79,615.08 is: 119,451.94
Step by Step Solution
- Step 1: Write the proportion equation
110,954.88 : 166,473.18 = 79,615.08 : x - Step 2: Convert to fraction form
110,954.88/166,473.18 = 79,615.08/x - Step 3: Cross multiply
110,954.88x = 166,473.18 × 79,615.08 - Step 4: Simplify right side
110,954.88x = 13,253,775,543.55 - Step 5: Solve for x
x = 13,253,775,543.55/110,954.88 - Step 6: Final answer
x = 119,451.94
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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.