Finding the Fourth Proportional to 94,225.80, 141,338.70 and 68,113.80
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Solution
The fourth proportional to 94,225.80, 141,338.70 and 68,113.80 is: 102,170.70
Step by Step Solution
- Step 1: Write the proportion equation
94,225.80 : 141,338.70 = 68,113.80 : x - Step 2: Convert to fraction form
94,225.80/141,338.70 = 68,113.80/x - Step 3: Cross multiply
94,225.80x = 141,338.70 × 68,113.80 - Step 4: Simplify right side
94,225.80x = 9,627,115,944.06 - Step 5: Solve for x
x = 9,627,115,944.06/94,225.80 - Step 6: Final answer
x = 102,170.70
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1.5x scale
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.