Finding the Fourth Proportional to 117,720.35, 176,576.57 and 51,160.47
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Solution
The fourth proportional to 117,720.35, 176,576.57 and 51,160.47 is: 76,738.99
Step by Step Solution
- Step 1: Write the proportion equation
117,720.35 : 176,576.57 = 51,160.47 : x - Step 2: Convert to fraction form
117,720.35/176,576.57 = 51,160.47/x - Step 3: Cross multiply
117,720.35x = 176,576.57 × 51,160.47 - Step 4: Simplify right side
117,720.35x = 9,033,740,312.19 - Step 5: Solve for x
x = 9,033,740,312.19/117,720.35 - Step 6: Final answer
x = 76,738.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.