Finding the Fourth Proportional to 106,036.70, 146,330.65 and 60,729.70
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Solution
The fourth proportional to 106,036.70, 146,330.65 and 60,729.70 is: 83,806.99
Step by Step Solution
- Step 1: Write the proportion equation
106,036.70 : 146,330.65 = 60,729.70 : x - Step 2: Convert to fraction form
106,036.70/146,330.65 = 60,729.70/x - Step 3: Cross multiply
106,036.70x = 146,330.65 × 60,729.70 - Step 4: Simplify right side
106,036.70x = 8,886,616,459.76 - Step 5: Solve for x
x = 8,886,616,459.76/106,036.70 - Step 6: Final answer
x = 83,806.99
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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.