Finding the Fourth Proportional to 125,326.44, 172,953.18 and 68,737.68
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Solution
The fourth proportional to 125,326.44, 172,953.18 and 68,737.68 is: 94,859.48
Step by Step Solution
- Step 1: Write the proportion equation
125,326.44 : 172,953.18 = 68,737.68 : x - Step 2: Convert to fraction form
125,326.44/172,953.18 = 68,737.68/x - Step 3: Cross multiply
125,326.44x = 172,953.18 × 68,737.68 - Step 4: Simplify right side
125,326.44x = 11,888,400,341.82 - Step 5: Solve for x
x = 11,888,400,341.82/125,326.44 - Step 6: Final answer
x = 94,859.48
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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.