Finding the Fourth Proportional to 125,197.53, 172,772.50 and 68,607.69
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Solution
The fourth proportional to 125,197.53, 172,772.50 and 68,607.69 is: 94,678.56
Step by Step Solution
- Step 1: Write the proportion equation
125,197.53 : 172,772.50 = 68,607.69 : x - Step 2: Convert to fraction form
125,197.53/172,772.50 = 68,607.69/x - Step 3: Cross multiply
125,197.53x = 172,772.50 × 68,607.69 - Step 4: Simplify right side
125,197.53x = 11,853,522,120.53 - Step 5: Solve for x
x = 11,853,522,120.53/125,197.53 - Step 6: Final answer
x = 94,678.56
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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.