Finding the Fourth Proportional to 124,755.25, 171,982.99 and 88,882.98
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Solution
The fourth proportional to 124,755.25, 171,982.99 and 88,882.98 is: 122,530.80
Step by Step Solution
- Step 1: Write the proportion equation
124,755.25 : 171,982.99 = 88,882.98 : x - Step 2: Convert to fraction form
124,755.25/171,982.99 = 88,882.98/x - Step 3: Cross multiply
124,755.25x = 171,982.99 × 88,882.98 - Step 4: Simplify right side
124,755.25x = 15,286,360,110.41 - Step 5: Solve for x
x = 15,286,360,110.41/124,755.25 - Step 6: Final answer
x = 122,530.80
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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.