Finding the Fourth Proportional to 126,350.53, 174,361.12 and 72,635.07
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Solution
The fourth proportional to 126,350.53, 174,361.12 and 72,635.07 is: 100,234.90
Step by Step Solution
- Step 1: Write the proportion equation
126,350.53 : 174,361.12 = 72,635.07 : x - Step 2: Convert to fraction form
126,350.53/174,361.12 = 72,635.07/x - Step 3: Cross multiply
126,350.53x = 174,361.12 × 72,635.07 - Step 4: Simplify right side
126,350.53x = 12,664,732,156.48 - Step 5: Solve for x
x = 12,664,732,156.48/126,350.53 - Step 6: Final answer
x = 100,234.90
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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.