Finding the Fourth Proportional to 106,670.77, 147,234.99 and 66,360.49
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Solution
The fourth proportional to 106,670.77, 147,234.99 and 66,360.49 is: 91,595.72
Step by Step Solution
- Step 1: Write the proportion equation
106,670.77 : 147,234.99 = 66,360.49 : x - Step 2: Convert to fraction form
106,670.77/147,234.99 = 66,360.49/x - Step 3: Cross multiply
106,670.77x = 147,234.99 × 66,360.49 - Step 4: Simplify right side
106,670.77x = 9,770,586,189.77 - Step 5: Solve for x
x = 9,770,586,189.77/106,670.77 - Step 6: Final answer
x = 91,595.72
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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.