Finding the Fourth Proportional to 122,750.84, 169,361.15 and 73,672.47
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Solution
The fourth proportional to 122,750.84, 169,361.15 and 73,672.47 is: 101,646.99
Step by Step Solution
- Step 1: Write the proportion equation
122,750.84 : 169,361.15 = 73,672.47 : x - Step 2: Convert to fraction form
122,750.84/169,361.15 = 73,672.47/x - Step 3: Cross multiply
122,750.84x = 169,361.15 × 73,672.47 - Step 4: Simplify right side
122,750.84x = 12,477,253,874.18 - Step 5: Solve for x
x = 12,477,253,874.18/122,750.84 - Step 6: Final answer
x = 101,646.99
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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.