Finding the Fourth Proportional to 125,549.49, 173,288.43 and 71,865.63
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Solution
The fourth proportional to 125,549.49, 173,288.43 and 71,865.63 is: 99,191.82
Step by Step Solution
- Step 1: Write the proportion equation
125,549.49 : 173,288.43 = 71,865.63 : x - Step 2: Convert to fraction form
125,549.49/173,288.43 = 71,865.63/x - Step 3: Cross multiply
125,549.49x = 173,288.43 × 71,865.63 - Step 4: Simplify right side
125,549.49x = 12,453,482,193.66 - Step 5: Solve for x
x = 12,453,482,193.66/125,549.49 - Step 6: Final answer
x = 99,191.82
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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.