Finding the Fourth Proportional to 125,324.25, 172,955.67 and 68,735.63
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Solution
The fourth proportional to 125,324.25, 172,955.67 and 68,735.63 is: 94,859.66
Step by Step Solution
- Step 1: Write the proportion equation
125,324.25 : 172,955.67 = 68,735.63 : x - Step 2: Convert to fraction form
125,324.25/172,955.67 = 68,735.63/x - Step 3: Cross multiply
125,324.25x = 172,955.67 × 68,735.63 - Step 4: Simplify right side
125,324.25x = 11,888,216,074.74 - Step 5: Solve for x
x = 11,888,216,074.74/125,324.25 - Step 6: Final answer
x = 94,859.66
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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.