Finding the Fourth Proportional to 106,266.81, 146,604.18 and 63,237.68
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Solution
The fourth proportional to 106,266.81, 146,604.18 and 63,237.68 is: 87,241.80
Step by Step Solution
- Step 1: Write the proportion equation
106,266.81 : 146,604.18 = 63,237.68 : x - Step 2: Convert to fraction form
106,266.81/146,604.18 = 63,237.68/x - Step 3: Cross multiply
106,266.81x = 146,604.18 × 63,237.68 - Step 4: Simplify right side
106,266.81x = 9,270,907,488.48 - Step 5: Solve for x
x = 9,270,907,488.48/106,266.81 - Step 6: Final answer
x = 87,241.80
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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.