Finding the Fourth Proportional to 127,194.88, 175,534.80 and 73,486.96
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Solution
The fourth proportional to 127,194.88, 175,534.80 and 73,486.96 is: 101,415.39
Step by Step Solution
- Step 1: Write the proportion equation
127,194.88 : 175,534.80 = 73,486.96 : x - Step 2: Convert to fraction form
127,194.88/175,534.80 = 73,486.96/x - Step 3: Cross multiply
127,194.88x = 175,534.80 × 73,486.96 - Step 4: Simplify right side
127,194.88x = 12,899,518,826.21 - Step 5: Solve for x
x = 12,899,518,826.21/127,194.88 - Step 6: Final answer
x = 101,415.39
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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.