Finding the Fourth Proportional to 122,008.98, 168,382.98 and 68,293.26
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Solution
The fourth proportional to 122,008.98, 168,382.98 and 68,293.26 is: 94,250.63
Step by Step Solution
- Step 1: Write the proportion equation
122,008.98 : 168,382.98 = 68,293.26 : x - Step 2: Convert to fraction form
122,008.98/168,382.98 = 68,293.26/x - Step 3: Cross multiply
122,008.98x = 168,382.98 × 68,293.26 - Step 4: Simplify right side
122,008.98x = 11,499,422,632.71 - Step 5: Solve for x
x = 11,499,422,632.71/122,008.98 - Step 6: Final answer
x = 94,250.63
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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.