Finding the Fourth Proportional to 141,580.98, 195,377.67 and 77,917.41
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Solution
The fourth proportional to 141,580.98, 195,377.67 and 77,917.41 is: 107,523.78
Step by Step Solution
- Step 1: Write the proportion equation
141,580.98 : 195,377.67 = 77,917.41 : x - Step 2: Convert to fraction form
141,580.98/195,377.67 = 77,917.41/x - Step 3: Cross multiply
141,580.98x = 195,377.67 × 77,917.41 - Step 4: Simplify right side
141,580.98x = 15,223,322,018.23 - Step 5: Solve for x
x = 15,223,322,018.23/141,580.98 - Step 6: Final answer
x = 107,523.78
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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.