Finding the Fourth Proportional to 141,968.15, 195,517.41 and 138,868.08
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Solution
The fourth proportional to 141,968.15, 195,517.41 and 138,868.08 is: 191,248.02
Step by Step Solution
- Step 1: Write the proportion equation
141,968.15 : 195,517.41 = 138,868.08 : x - Step 2: Convert to fraction form
141,968.15/195,517.41 = 138,868.08/x - Step 3: Cross multiply
141,968.15x = 195,517.41 × 138,868.08 - Step 4: Simplify right side
141,968.15x = 27,151,127,333.27 - Step 5: Solve for x
x = 27,151,127,333.27/141,968.15 - Step 6: Final answer
x = 191,248.02
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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.