Finding the Fourth Proportional to 127,557.18, 176,060.79 and 73,874.84
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Solution
The fourth proportional to 127,557.18, 176,060.79 and 73,874.84 is: 101,965.74
Step by Step Solution
- Step 1: Write the proportion equation
127,557.18 : 176,060.79 = 73,874.84 : x - Step 2: Convert to fraction form
127,557.18/176,060.79 = 73,874.84/x - Step 3: Cross multiply
127,557.18x = 176,060.79 × 73,874.84 - Step 4: Simplify right side
127,557.18x = 13,006,461,811.22 - Step 5: Solve for x
x = 13,006,461,811.22/127,557.18 - Step 6: Final answer
x = 101,965.74
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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.