Finding the Fourth Proportional to 115,767.36, 159,692.04 and 68,010.84
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Solution
The fourth proportional to 115,767.36, 159,692.04 and 68,010.84 is: 93,815.65
Step by Step Solution
- Step 1: Write the proportion equation
115,767.36 : 159,692.04 = 68,010.84 : x - Step 2: Convert to fraction form
115,767.36/159,692.04 = 68,010.84/x - Step 3: Cross multiply
115,767.36x = 159,692.04 × 68,010.84 - Step 4: Simplify right side
115,767.36x = 10,860,789,781.71 - Step 5: Solve for x
x = 10,860,789,781.71/115,767.36 - Step 6: Final answer
x = 93,815.65
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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.