Finding the Fourth Proportional to 140,186.39, 210,122.84 and 73,633.55
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Solution
The fourth proportional to 140,186.39, 210,122.84 and 73,633.55 is: 110,367.99
Step by Step Solution
- Step 1: Write the proportion equation
140,186.39 : 210,122.84 = 73,633.55 : x - Step 2: Convert to fraction form
140,186.39/210,122.84 = 73,633.55/x - Step 3: Cross multiply
140,186.39x = 210,122.84 × 73,633.55 - Step 4: Simplify right side
140,186.39x = 15,472,089,778.75 - Step 5: Solve for x
x = 15,472,089,778.75/140,186.39 - Step 6: Final answer
x = 110,367.99
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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.