Finding the Fourth Proportional to 125,644.68, 173,390.22 and 69,059.70
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Solution
The fourth proportional to 125,644.68, 173,390.22 and 69,059.70 is: 95,302.69
Step by Step Solution
- Step 1: Write the proportion equation
125,644.68 : 173,390.22 = 69,059.70 : x - Step 2: Convert to fraction form
125,644.68/173,390.22 = 69,059.70/x - Step 3: Cross multiply
125,644.68x = 173,390.22 × 69,059.70 - Step 4: Simplify right side
125,644.68x = 11,974,276,576.13 - Step 5: Solve for x
x = 11,974,276,576.13/125,644.68 - Step 6: Final answer
x = 95,302.69
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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.