Finding the Fourth Proportional to 125,549.23, 173,230.99 and 74,579.15
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Solution
The fourth proportional to 125,549.23, 173,230.99 and 74,579.15 is: 102,903.21
Step by Step Solution
- Step 1: Write the proportion equation
125,549.23 : 173,230.99 = 74,579.15 : x - Step 2: Convert to fraction form
125,549.23/173,230.99 = 74,579.15/x - Step 3: Cross multiply
125,549.23x = 173,230.99 × 74,579.15 - Step 4: Simplify right side
125,549.23x = 12,919,419,704.13 - Step 5: Solve for x
x = 12,919,419,704.13/125,549.23 - Step 6: Final answer
x = 102,903.21
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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.