Finding the Fourth Proportional to 125,601.17, 173,286.74 and 77,837.09
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Solution
The fourth proportional to 125,601.17, 173,286.74 and 77,837.09 is: 107,388.61
Step by Step Solution
- Step 1: Write the proportion equation
125,601.17 : 173,286.74 = 77,837.09 : x - Step 2: Convert to fraction form
125,601.17/173,286.74 = 77,837.09/x - Step 3: Cross multiply
125,601.17x = 173,286.74 × 77,837.09 - Step 4: Simplify right side
125,601.17x = 13,488,134,905.35 - Step 5: Solve for x
x = 13,488,134,905.35/125,601.17 - Step 6: Final answer
x = 107,388.61
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1.5x scale
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.