Finding the Fourth Proportional to 127,737.28, 176,277.49 and 74,053.49
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Solution
The fourth proportional to 127,737.28, 176,277.49 and 74,053.49 is: 102,193.84
Step by Step Solution
- Step 1: Write the proportion equation
127,737.28 : 176,277.49 = 74,053.49 : x - Step 2: Convert to fraction form
127,737.28/176,277.49 = 74,053.49/x - Step 3: Cross multiply
127,737.28x = 176,277.49 × 74,053.49 - Step 4: Simplify right side
127,737.28x = 13,053,962,276.42 - Step 5: Solve for x
x = 13,053,962,276.42/127,737.28 - Step 6: Final answer
x = 102,193.84
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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.