Finding the Fourth Proportional to 130,174.63, 195,187.21 and 51,245.80
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Solution
The fourth proportional to 130,174.63, 195,187.21 and 51,245.80 is: 76,839.28
Step by Step Solution
- Step 1: Write the proportion equation
130,174.63 : 195,187.21 = 51,245.80 : x - Step 2: Convert to fraction form
130,174.63/195,187.21 = 51,245.80/x - Step 3: Cross multiply
130,174.63x = 195,187.21 × 51,245.80 - Step 4: Simplify right side
130,174.63x = 10,002,524,726.22 - Step 5: Solve for x
x = 10,002,524,726.22/130,174.63 - Step 6: Final answer
x = 76,839.28
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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.