Finding the Fourth Proportional to 125,486.24, 173,171.28 and 68,901.20
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Solution
The fourth proportional to 125,486.24, 173,171.28 and 68,901.20 is: 95,083.80
Step by Step Solution
- Step 1: Write the proportion equation
125,486.24 : 173,171.28 = 68,901.20 : x - Step 2: Convert to fraction form
125,486.24/173,171.28 = 68,901.20/x - Step 3: Cross multiply
125,486.24x = 173,171.28 × 68,901.20 - Step 4: Simplify right side
125,486.24x = 11,931,708,997.54 - Step 5: Solve for x
x = 11,931,708,997.54/125,486.24 - Step 6: Final answer
x = 95,083.80
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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.