Finding the Fourth Proportional to 125,250.15, 172,856.14 and 68,672.46
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Solution
The fourth proportional to 125,250.15, 172,856.14 and 68,672.46 is: 94,773.99
Step by Step Solution
- Step 1: Write the proportion equation
125,250.15 : 172,856.14 = 68,672.46 : x - Step 2: Convert to fraction form
125,250.15/172,856.14 = 68,672.46/x - Step 3: Cross multiply
125,250.15x = 172,856.14 × 68,672.46 - Step 4: Simplify right side
125,250.15x = 11,870,456,250.40 - Step 5: Solve for x
x = 11,870,456,250.40/125,250.15 - Step 6: Final answer
x = 94,773.99
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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.