Finding the Fourth Proportional to 125,232.70, 172,827.75 and 68,646.46
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Solution
The fourth proportional to 125,232.70, 172,827.75 and 68,646.46 is: 94,735.75
Step by Step Solution
- Step 1: Write the proportion equation
125,232.70 : 172,827.75 = 68,646.46 : x - Step 2: Convert to fraction form
125,232.70/172,827.75 = 68,646.46/x - Step 3: Cross multiply
125,232.70x = 172,827.75 × 68,646.46 - Step 4: Simplify right side
125,232.70x = 11,864,013,227.27 - Step 5: Solve for x
x = 11,864,013,227.27/125,232.70 - Step 6: Final answer
x = 94,735.75
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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.