Finding the Fourth Proportional to 125,702.42, 173,506.12 and 74,751.05
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Solution
The fourth proportional to 125,702.42, 173,506.12 and 74,751.05 is: 103,178.33
Step by Step Solution
- Step 1: Write the proportion equation
125,702.42 : 173,506.12 = 74,751.05 : x - Step 2: Convert to fraction form
125,702.42/173,506.12 = 74,751.05/x - Step 3: Cross multiply
125,702.42x = 173,506.12 × 74,751.05 - Step 4: Simplify right side
125,702.42x = 12,969,764,898.31 - Step 5: Solve for x
x = 12,969,764,898.31/125,702.42 - Step 6: Final answer
x = 103,178.33
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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.