Finding the Fourth Proportional to 126,351.18, 174,360.03 and 68,989.44
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Solution
The fourth proportional to 126,351.18, 174,360.03 and 68,989.44 is: 95,202.92
Step by Step Solution
- Step 1: Write the proportion equation
126,351.18 : 174,360.03 = 68,989.44 : x - Step 2: Convert to fraction form
126,351.18/174,360.03 = 68,989.44/x - Step 3: Cross multiply
126,351.18x = 174,360.03 × 68,989.44 - Step 4: Simplify right side
126,351.18x = 12,029,000,828.08 - Step 5: Solve for x
x = 12,029,000,828.08/126,351.18 - Step 6: Final answer
x = 95,202.92
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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.