Finding the Fourth Proportional to 125,718.96, 173,494.80 and 69,133.44
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Solution
The fourth proportional to 125,718.96, 173,494.80 and 69,133.44 is: 95,405.60
Step by Step Solution
- Step 1: Write the proportion equation
125,718.96 : 173,494.80 = 69,133.44 : x - Step 2: Convert to fraction form
125,718.96/173,494.80 = 69,133.44/x - Step 3: Cross multiply
125,718.96x = 173,494.80 × 69,133.44 - Step 4: Simplify right side
125,718.96x = 11,994,292,346.11 - Step 5: Solve for x
x = 11,994,292,346.11/125,718.96 - Step 6: Final answer
x = 95,405.60
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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.