Finding the Fourth Proportional to 125,903.54, 173,702.97 and 71,449.26
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Solution
The fourth proportional to 125,903.54, 173,702.97 and 71,449.26 is: 98,575.06
Step by Step Solution
- Step 1: Write the proportion equation
125,903.54 : 173,702.97 = 71,449.26 : x - Step 2: Convert to fraction form
125,903.54/173,702.97 = 71,449.26/x - Step 3: Cross multiply
125,903.54x = 173,702.97 × 71,449.26 - Step 4: Simplify right side
125,903.54x = 12,410,948,666.30 - Step 5: Solve for x
x = 12,410,948,666.30/125,903.54 - Step 6: Final answer
x = 98,575.06
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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.