Finding the Fourth Proportional to 131,351.63, 181,265.45 and 74,763
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Solution
The fourth proportional to 131,351.63, 181,265.45 and 74,763 is: 103,173.06
Step by Step Solution
- Step 1: Write the proportion equation
131,351.63 : 181,265.45 = 74,763 : x - Step 2: Convert to fraction form
131,351.63/181,265.45 = 74,763/x - Step 3: Cross multiply
131,351.63x = 181,265.45 × 74,763 - Step 4: Simplify right side
131,351.63x = 13,551,948,464.54 - Step 5: Solve for x
x = 13,551,948,464.54/131,351.63 - Step 6: Final answer
x = 103,173.06
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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.