Finding the Fourth Proportional to 124,177.96, 171,315.30 and 75,755.08
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Solution
The fourth proportional to 124,177.96, 171,315.30 and 75,755.08 is: 104,511.33
Step by Step Solution
- Step 1: Write the proportion equation
124,177.96 : 171,315.30 = 75,755.08 : x - Step 2: Convert to fraction form
124,177.96/171,315.30 = 75,755.08/x - Step 3: Cross multiply
124,177.96x = 171,315.30 × 75,755.08 - Step 4: Simplify right side
124,177.96x = 12,978,004,256.72 - Step 5: Solve for x
x = 12,978,004,256.72/124,177.96 - Step 6: Final answer
x = 104,511.33
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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.