Finding the Fourth Proportional to 148,821.08, 205,376.91 and 80,841.94
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Solution
The fourth proportional to 148,821.08, 205,376.91 and 80,841.94 is: 111,563.95
Step by Step Solution
- Step 1: Write the proportion equation
148,821.08 : 205,376.91 = 80,841.94 : x - Step 2: Convert to fraction form
148,821.08/205,376.91 = 80,841.94/x - Step 3: Cross multiply
148,821.08x = 205,376.91 × 80,841.94 - Step 4: Simplify right side
148,821.08x = 16,603,066,917.95 - Step 5: Solve for x
x = 16,603,066,917.95/148,821.08 - Step 6: Final answer
x = 111,563.95
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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.