Finding the Fourth Proportional to 125,489.17, 173,175.19 and 74,512.08
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Solution
The fourth proportional to 125,489.17, 173,175.19 and 74,512.08 is: 102,826.75
Step by Step Solution
- Step 1: Write the proportion equation
125,489.17 : 173,175.19 = 74,512.08 : x - Step 2: Convert to fraction form
125,489.17/173,175.19 = 74,512.08/x - Step 3: Cross multiply
125,489.17x = 173,175.19 × 74,512.08 - Step 4: Simplify right side
125,489.17x = 12,903,643,611.30 - Step 5: Solve for x
x = 12,903,643,611.30/125,489.17 - Step 6: Final answer
x = 102,826.75
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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.