Finding the Fourth Proportional to 134,302.96, 185,335.07 and 73,872.28
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Solution
The fourth proportional to 134,302.96, 185,335.07 and 73,872.28 is: 101,942.09
Step by Step Solution
- Step 1: Write the proportion equation
134,302.96 : 185,335.07 = 73,872.28 : x - Step 2: Convert to fraction form
134,302.96/185,335.07 = 73,872.28/x - Step 3: Cross multiply
134,302.96x = 185,335.07 × 73,872.28 - Step 4: Simplify right side
134,302.96x = 13,691,124,047.17 - Step 5: Solve for x
x = 13,691,124,047.17/134,302.96 - Step 6: Final answer
x = 101,942.09
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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.