Finding the Fourth Proportional to 117,719.95, 176,575.96 and 51,160.08
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Solution
The fourth proportional to 117,719.95, 176,575.96 and 51,160.08 is: 76,738.40
Step by Step Solution
- Step 1: Write the proportion equation
117,719.95 : 176,575.96 = 51,160.08 : x - Step 2: Convert to fraction form
117,719.95/176,575.96 = 51,160.08/x - Step 3: Cross multiply
117,719.95x = 176,575.96 × 51,160.08 - Step 4: Simplify right side
117,719.95x = 9,033,640,379.24 - Step 5: Solve for x
x = 9,033,640,379.24/117,719.95 - Step 6: Final answer
x = 76,738.40
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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.