Finding the Fourth Proportional to 126,251.87, 174,228.18 and 69,663.26
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Solution
The fourth proportional to 126,251.87, 174,228.18 and 69,663.26 is: 96,135.63
Step by Step Solution
- Step 1: Write the proportion equation
126,251.87 : 174,228.18 = 69,663.26 : x - Step 2: Convert to fraction form
126,251.87/174,228.18 = 69,663.26/x - Step 3: Cross multiply
126,251.87x = 174,228.18 × 69,663.26 - Step 4: Simplify right side
126,251.87x = 12,137,303,002.67 - Step 5: Solve for x
x = 12,137,303,002.67/126,251.87 - Step 6: Final answer
x = 96,135.63
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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.