Finding the Fourth Proportional to 125,486.68, 173,122.22 and 71,742.82
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Solution
The fourth proportional to 125,486.68, 173,122.22 and 71,742.82 is: 98,976.85
Step by Step Solution
- Step 1: Write the proportion equation
125,486.68 : 173,122.22 = 71,742.82 : x - Step 2: Convert to fraction form
125,486.68/173,122.22 = 71,742.82/x - Step 3: Cross multiply
125,486.68x = 173,122.22 × 71,742.82 - Step 4: Simplify right side
125,486.68x = 12,420,276,267.46 - Step 5: Solve for x
x = 12,420,276,267.46/125,486.68 - Step 6: Final answer
x = 98,976.85
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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.