Finding the Fourth Proportional to 125,323.44, 172,949.04 and 68,734.68
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Solution
The fourth proportional to 125,323.44, 172,949.04 and 68,734.68 is: 94,855.34
Step by Step Solution
- Step 1: Write the proportion equation
125,323.44 : 172,949.04 = 68,734.68 : x - Step 2: Convert to fraction form
125,323.44/172,949.04 = 68,734.68/x - Step 3: Cross multiply
125,323.44x = 172,949.04 × 68,734.68 - Step 4: Simplify right side
125,323.44x = 11,887,596,920.71 - Step 5: Solve for x
x = 11,887,596,920.71/125,323.44 - Step 6: Final answer
x = 94,855.34
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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.