Finding the Fourth Proportional to 125,489.18, 173,175.18 and 68,128.46
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Solution
The fourth proportional to 125,489.18, 173,175.18 and 68,128.46 is: 94,017.34
Step by Step Solution
- Step 1: Write the proportion equation
125,489.18 : 173,175.18 = 68,128.46 : x - Step 2: Convert to fraction form
125,489.18/173,175.18 = 68,128.46/x - Step 3: Cross multiply
125,489.18x = 173,175.18 × 68,128.46 - Step 4: Simplify right side
125,489.18x = 11,798,158,323.62 - Step 5: Solve for x
x = 11,798,158,323.62/125,489.18 - Step 6: Final answer
x = 94,017.34
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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.