Finding the Fourth Proportional to 121,201.10, 181,777.35 and 58,021.10
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Solution
The fourth proportional to 121,201.10, 181,777.35 and 58,021.10 is: 87,020.02
Step by Step Solution
- Step 1: Write the proportion equation
121,201.10 : 181,777.35 = 58,021.10 : x - Step 2: Convert to fraction form
121,201.10/181,777.35 = 58,021.10/x - Step 3: Cross multiply
121,201.10x = 181,777.35 × 58,021.10 - Step 4: Simplify right side
121,201.10x = 10,546,921,802.09 - Step 5: Solve for x
x = 10,546,921,802.09/121,201.10 - Step 6: Final answer
x = 87,020.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.