Finding the Fourth Proportional to 125,192.18, 172,765.30 and 68,603.58
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Solution
The fourth proportional to 125,192.18, 172,765.30 and 68,603.58 is: 94,672.99
Step by Step Solution
- Step 1: Write the proportion equation
125,192.18 : 172,765.30 = 68,603.58 : x - Step 2: Convert to fraction form
125,192.18/172,765.30 = 68,603.58/x - Step 3: Cross multiply
125,192.18x = 172,765.30 × 68,603.58 - Step 4: Simplify right side
125,192.18x = 11,852,318,079.77 - Step 5: Solve for x
x = 11,852,318,079.77/125,192.18 - Step 6: Final answer
x = 94,672.99
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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.