Finding the Fourth Proportional to 107,206.56, 147,939.84 and 59,455.68
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Solution
The fourth proportional to 107,206.56, 147,939.84 and 59,455.68 is: 82,045.95
Step by Step Solution
- Step 1: Write the proportion equation
107,206.56 : 147,939.84 = 59,455.68 : x - Step 2: Convert to fraction form
107,206.56/147,939.84 = 59,455.68/x - Step 3: Cross multiply
107,206.56x = 147,939.84 × 59,455.68 - Step 4: Simplify right side
107,206.56x = 8,795,863,786.29 - Step 5: Solve for x
x = 8,795,863,786.29/107,206.56 - Step 6: Final answer
x = 82,045.95
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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.