Finding the Fourth Proportional to 106,944.18, 147,586.44 and 61,618.56
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Solution
The fourth proportional to 106,944.18, 147,586.44 and 61,618.56 is: 85,035.61
Step by Step Solution
- Step 1: Write the proportion equation
106,944.18 : 147,586.44 = 61,618.56 : x - Step 2: Convert to fraction form
106,944.18/147,586.44 = 61,618.56/x - Step 3: Cross multiply
106,944.18x = 147,586.44 × 61,618.56 - Step 4: Simplify right side
106,944.18x = 9,094,063,908.33 - Step 5: Solve for x
x = 9,094,063,908.33/106,944.18 - Step 6: Final answer
x = 85,035.61
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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.