Finding the Fourth Proportional to 125,503.24, 173,194.68 and 68,918.20
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Solution
The fourth proportional to 125,503.24, 173,194.68 and 68,918.20 is: 95,107.23
Step by Step Solution
- Step 1: Write the proportion equation
125,503.24 : 173,194.68 = 68,918.20 : x - Step 2: Convert to fraction form
125,503.24/173,194.68 = 68,918.20/x - Step 3: Cross multiply
125,503.24x = 173,194.68 × 68,918.20 - Step 4: Simplify right side
125,503.24x = 11,936,265,595.18 - Step 5: Solve for x
x = 11,936,265,595.18/125,503.24 - Step 6: Final answer
x = 95,107.23
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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.