Finding the Fourth Proportional to 125,648.26, 173,395.94 and 68,287.58
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Solution
The fourth proportional to 125,648.26, 173,395.94 and 68,287.58 is: 94,237.59
Step by Step Solution
- Step 1: Write the proportion equation
125,648.26 : 173,395.94 = 68,287.58 : x - Step 2: Convert to fraction form
125,648.26/173,395.94 = 68,287.58/x - Step 3: Cross multiply
125,648.26x = 173,395.94 × 68,287.58 - Step 4: Simplify right side
125,648.26x = 11,840,788,566.24 - Step 5: Solve for x
x = 11,840,788,566.24/125,648.26 - Step 6: Final answer
x = 94,237.59
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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.