Finding the Fourth Proportional to 125,507.12, 173,197.64 and 68,918.09
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Solution
The fourth proportional to 125,507.12, 173,197.64 and 68,918.09 is: 95,105.76
Step by Step Solution
- Step 1: Write the proportion equation
125,507.12 : 173,197.64 = 68,918.09 : x - Step 2: Convert to fraction form
125,507.12/173,197.64 = 68,918.09/x - Step 3: Cross multiply
125,507.12x = 173,197.64 × 68,918.09 - Step 4: Simplify right side
125,507.12x = 11,936,449,330.73 - Step 5: Solve for x
x = 11,936,449,330.73/125,507.12 - Step 6: Final answer
x = 95,105.76
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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.