Finding the Fourth Proportional to 107,059.26, 147,741.64 and 59,315.70
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Solution
The fourth proportional to 107,059.26, 147,741.64 and 59,315.70 is: 81,855.59
Step by Step Solution
- Step 1: Write the proportion equation
107,059.26 : 147,741.64 = 59,315.70 : x - Step 2: Convert to fraction form
107,059.26/147,741.64 = 59,315.70/x - Step 3: Cross multiply
107,059.26x = 147,741.64 × 59,315.70 - Step 4: Simplify right side
107,059.26x = 8,763,398,795.75 - Step 5: Solve for x
x = 8,763,398,795.75/107,059.26 - Step 6: Final answer
x = 81,855.59
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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.