Finding the Fourth Proportional to 125,513.24, 173,208.48 and 68,928.20
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Solution
The fourth proportional to 125,513.24, 173,208.48 and 68,928.20 is: 95,121.03
Step by Step Solution
- Step 1: Write the proportion equation
125,513.24 : 173,208.48 = 68,928.20 : x - Step 2: Convert to fraction form
125,513.24/173,208.48 = 68,928.20/x - Step 3: Cross multiply
125,513.24x = 173,208.48 × 68,928.20 - Step 4: Simplify right side
125,513.24x = 11,938,948,751.14 - Step 5: Solve for x
x = 11,938,948,751.14/125,513.24 - Step 6: Final answer
x = 95,121.03
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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.