Finding the Fourth Proportional to 126,115.10, 174,040.18 and 69,528.50
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Solution
The fourth proportional to 126,115.10, 174,040.18 and 69,528.50 is: 95,950.07
Step by Step Solution
- Step 1: Write the proportion equation
126,115.10 : 174,040.18 = 69,528.50 : x - Step 2: Convert to fraction form
126,115.10/174,040.18 = 69,528.50/x - Step 3: Cross multiply
126,115.10x = 174,040.18 × 69,528.50 - Step 4: Simplify right side
126,115.10x = 12,100,752,655.13 - Step 5: Solve for x
x = 12,100,752,655.13/126,115.10 - Step 6: Final answer
x = 95,950.07
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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.