Finding the Fourth Proportional to 125,485.93, 173,170.88 and 68,900.95
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Solution
The fourth proportional to 125,485.93, 173,170.88 and 68,900.95 is: 95,083.47
Step by Step Solution
- Step 1: Write the proportion equation
125,485.93 : 173,170.88 = 68,900.95 : x - Step 2: Convert to fraction form
125,485.93/173,170.88 = 68,900.95/x - Step 3: Cross multiply
125,485.93x = 173,170.88 × 68,900.95 - Step 4: Simplify right side
125,485.93x = 11,931,638,144.34 - Step 5: Solve for x
x = 11,931,638,144.34/125,485.93 - Step 6: Final answer
x = 95,083.47
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1.5x scale
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.