Finding the Fourth Proportional to 135,649.86, 202,195.23 and 125,556.84
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Solution
The fourth proportional to 135,649.86, 202,195.23 and 125,556.84 is: 187,150.91
Step by Step Solution
- Step 1: Write the proportion equation
135,649.86 : 202,195.23 = 125,556.84 : x - Step 2: Convert to fraction form
135,649.86/202,195.23 = 125,556.84/x - Step 3: Cross multiply
135,649.86x = 202,195.23 × 125,556.84 - Step 4: Simplify right side
135,649.86x = 25,386,994,141.87 - Step 5: Solve for x
x = 25,386,994,141.87/135,649.86 - Step 6: Final answer
x = 187,150.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.