Finding the Fourth Proportional to 125,702.92, 173,506.81 and 74,751.56
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Solution
The fourth proportional to 125,702.92, 173,506.81 and 74,751.56 is: 103,179.02
Step by Step Solution
- Step 1: Write the proportion equation
125,702.92 : 173,506.81 = 74,751.56 : x - Step 2: Convert to fraction form
125,702.92/173,506.81 = 74,751.56/x - Step 3: Cross multiply
125,702.92x = 173,506.81 × 74,751.56 - Step 4: Simplify right side
125,702.92x = 12,969,903,850.59 - Step 5: Solve for x
x = 12,969,903,850.59/125,702.92 - Step 6: Final answer
x = 103,179.02
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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.