Finding the Fourth Proportional to 84,098.18, 125,602.26 and 76,184.88
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Solution
The fourth proportional to 84,098.18, 125,602.26 and 76,184.88 is: 113,783.60
Step by Step Solution
- Step 1: Write the proportion equation
84,098.18 : 125,602.26 = 76,184.88 : x - Step 2: Convert to fraction form
84,098.18/125,602.26 = 76,184.88/x - Step 3: Cross multiply
84,098.18x = 125,602.26 × 76,184.88 - Step 4: Simplify right side
84,098.18x = 9,568,993,105.83 - Step 5: Solve for x
x = 9,568,993,105.83/84,098.18 - Step 6: Final answer
x = 113,783.60
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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.