Finding the Fourth Proportional to 122,226.96, 168,681.00 and 68,511.99
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Solution
The fourth proportional to 122,226.96, 168,681.00 and 68,511.99 is: 94,550.91
Step by Step Solution
- Step 1: Write the proportion equation
122,226.96 : 168,681.00 = 68,511.99 : x - Step 2: Convert to fraction form
122,226.96/168,681.00 = 68,511.99/x - Step 3: Cross multiply
122,226.96x = 168,681.00 × 68,511.99 - Step 4: Simplify right side
122,226.96x = 11,556,670,642.63 - Step 5: Solve for x
x = 11,556,670,642.63/122,226.96 - Step 6: Final answer
x = 94,550.91
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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.