Finding the Fourth Proportional to 122,086.26, 183,157.20 and 47,206.62
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Solution
The fourth proportional to 122,086.26, 183,157.20 and 47,206.62 is: 70,820.68
Step by Step Solution
- Step 1: Write the proportion equation
122,086.26 : 183,157.20 = 47,206.62 : x - Step 2: Convert to fraction form
122,086.26/183,157.20 = 47,206.62/x - Step 3: Cross multiply
122,086.26x = 183,157.20 × 47,206.62 - Step 4: Simplify right side
122,086.26x = 8,646,232,340.66 - Step 5: Solve for x
x = 8,646,232,340.66/122,086.26 - Step 6: Final answer
x = 70,820.68
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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.