Finding the Fourth Proportional to 127,674.41, 176,221.71 and 73,950.75
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Solution
The fourth proportional to 127,674.41, 176,221.71 and 73,950.75 is: 102,070.01
Step by Step Solution
- Step 1: Write the proportion equation
127,674.41 : 176,221.71 = 73,950.75 : x - Step 2: Convert to fraction form
127,674.41/176,221.71 = 73,950.75/x - Step 3: Cross multiply
127,674.41x = 176,221.71 × 73,950.75 - Step 4: Simplify right side
127,674.41x = 13,031,727,620.78 - Step 5: Solve for x
x = 13,031,727,620.78/127,674.41 - Step 6: Final answer
x = 102,070.01
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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.