Finding the Fourth Proportional to 125,854.26, 173,678.76 and 69,269.28
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Solution
The fourth proportional to 125,854.26, 173,678.76 and 69,269.28 is: 95,591.54
Step by Step Solution
- Step 1: Write the proportion equation
125,854.26 : 173,678.76 = 69,269.28 : x - Step 2: Convert to fraction form
125,854.26/173,678.76 = 69,269.28/x - Step 3: Cross multiply
125,854.26x = 173,678.76 × 69,269.28 - Step 4: Simplify right side
125,854.26x = 12,030,602,656.49 - Step 5: Solve for x
x = 12,030,602,656.49/125,854.26 - Step 6: Final answer
x = 95,591.54
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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.