Finding the Fourth Proportional to 125,268.62, 172,877.76 and 74,311.52
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Solution
The fourth proportional to 125,268.62, 172,877.76 and 74,311.52 is: 102,554.09
Step by Step Solution
- Step 1: Write the proportion equation
125,268.62 : 172,877.76 = 74,311.52 : x - Step 2: Convert to fraction form
125,268.62/172,877.76 = 74,311.52/x - Step 3: Cross multiply
125,268.62x = 172,877.76 × 74,311.52 - Step 4: Simplify right side
125,268.62x = 12,846,808,255.41 - Step 5: Solve for x
x = 12,846,808,255.41/125,268.62 - Step 6: Final answer
x = 102,554.09
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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.