Finding the Fourth Proportional to 125,612.70, 173,346.21 and 68,252.46
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Solution
The fourth proportional to 125,612.70, 173,346.21 and 68,252.46 is: 94,188.77
Step by Step Solution
- Step 1: Write the proportion equation
125,612.70 : 173,346.21 = 68,252.46 : x - Step 2: Convert to fraction form
125,612.70/173,346.21 = 68,252.46/x - Step 3: Cross multiply
125,612.70x = 173,346.21 × 68,252.46 - Step 4: Simplify right side
125,612.70x = 11,831,305,264.18 - Step 5: Solve for x
x = 11,831,305,264.18/125,612.70 - Step 6: Final answer
x = 94,188.77
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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.