Finding the Fourth Proportional to 127,737.84, 176,278.27 and 74,053.98
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Solution
The fourth proportional to 127,737.84, 176,278.27 and 74,053.98 is: 102,194.52
Step by Step Solution
- Step 1: Write the proportion equation
127,737.84 : 176,278.27 = 74,053.98 : x - Step 2: Convert to fraction form
127,737.84/176,278.27 = 74,053.98/x - Step 3: Cross multiply
127,737.84x = 176,278.27 × 74,053.98 - Step 4: Simplify right side
127,737.84x = 13,054,107,481.01 - Step 5: Solve for x
x = 13,054,107,481.01/127,737.84 - Step 6: Final answer
x = 102,194.52
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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.