Finding the Fourth Proportional to 122,012.67, 168,377.49 and 68,297.70
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Solution
The fourth proportional to 122,012.67, 168,377.49 and 68,297.70 is: 94,250.83
Step by Step Solution
- Step 1: Write the proportion equation
122,012.67 : 168,377.49 = 68,297.70 : x - Step 2: Convert to fraction form
122,012.67/168,377.49 = 68,297.70/x - Step 3: Cross multiply
122,012.67x = 168,377.49 × 68,297.70 - Step 4: Simplify right side
122,012.67x = 11,499,795,298.77 - Step 5: Solve for x
x = 11,499,795,298.77/122,012.67 - Step 6: Final answer
x = 94,250.83
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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.