Finding the Fourth Proportional to 125,475.81, 173,168.19 and 71,750.13
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Solution
The fourth proportional to 125,475.81, 173,168.19 and 71,750.13 is: 99,021.80
Step by Step Solution
- Step 1: Write the proportion equation
125,475.81 : 173,168.19 = 71,750.13 : x - Step 2: Convert to fraction form
125,475.81/173,168.19 = 71,750.13/x - Step 3: Cross multiply
125,475.81x = 173,168.19 × 71,750.13 - Step 4: Simplify right side
125,475.81x = 12,424,840,144.36 - Step 5: Solve for x
x = 12,424,840,144.36/125,475.81 - Step 6: Final answer
x = 99,021.80
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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.