Finding the Fourth Proportional to 125,577.76, 173,296.80 and 68,216.80
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Solution
The fourth proportional to 125,577.76, 173,296.80 and 68,216.80 is: 94,138.91
Step by Step Solution
- Step 1: Write the proportion equation
125,577.76 : 173,296.80 = 68,216.80 : x - Step 2: Convert to fraction form
125,577.76/173,296.80 = 68,216.80/x - Step 3: Cross multiply
125,577.76x = 173,296.80 × 68,216.80 - Step 4: Simplify right side
125,577.76x = 11,821,753,146.24 - Step 5: Solve for x
x = 11,821,753,146.24/125,577.76 - Step 6: Final answer
x = 94,138.91
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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.