Finding the Fourth Proportional to 125,517.36, 173,215.08 and 68,929.14
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Solution
The fourth proportional to 125,517.36, 173,215.08 and 68,929.14 is: 95,122.83
Step by Step Solution
- Step 1: Write the proportion equation
125,517.36 : 173,215.08 = 68,929.14 : x - Step 2: Convert to fraction form
125,517.36/173,215.08 = 68,929.14/x - Step 3: Cross multiply
125,517.36x = 173,215.08 × 68,929.14 - Step 4: Simplify right side
125,517.36x = 11,939,566,499.43 - Step 5: Solve for x
x = 11,939,566,499.43/125,517.36 - Step 6: Final answer
x = 95,122.83
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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.