Finding the Fourth Proportional to 126,965.14, 175,207.19 and 68,820.63
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Solution
The fourth proportional to 126,965.14, 175,207.19 and 68,820.63 is: 94,969.92
Step by Step Solution
- Step 1: Write the proportion equation
126,965.14 : 175,207.19 = 68,820.63 : x - Step 2: Convert to fraction form
126,965.14/175,207.19 = 68,820.63/x - Step 3: Cross multiply
126,965.14x = 175,207.19 × 68,820.63 - Step 4: Simplify right side
126,965.14x = 12,057,868,731.59 - Step 5: Solve for x
x = 12,057,868,731.59/126,965.14 - Step 6: Final answer
x = 94,969.92
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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.