Finding the Fourth Proportional to 179,649.18, 247,910.54 and 99,076.68
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Solution
The fourth proportional to 179,649.18, 247,910.54 and 99,076.68 is: 136,722.88
Step by Step Solution
- Step 1: Write the proportion equation
179,649.18 : 247,910.54 = 99,076.68 : x - Step 2: Convert to fraction form
179,649.18/247,910.54 = 99,076.68/x - Step 3: Cross multiply
179,649.18x = 247,910.54 × 99,076.68 - Step 4: Simplify right side
179,649.18x = 24,562,153,240.21 - Step 5: Solve for x
x = 24,562,153,240.21/179,649.18 - Step 6: Final answer
x = 136,722.88
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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.