Finding the Fourth Proportional to 125,613.45, 173,346.93 and 68,252.31
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Solution
The fourth proportional to 125,613.45, 173,346.93 and 68,252.31 is: 94,188.39
Step by Step Solution
- Step 1: Write the proportion equation
125,613.45 : 173,346.93 = 68,252.31 : x - Step 2: Convert to fraction form
125,613.45/173,346.93 = 68,252.31/x - Step 3: Cross multiply
125,613.45x = 173,346.93 × 68,252.31 - Step 4: Simplify right side
125,613.45x = 11,831,328,403.91 - Step 5: Solve for x
x = 11,831,328,403.91/125,613.45 - Step 6: Final answer
x = 94,188.39
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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.