Finding the Fourth Proportional to 127,161.48, 175,514.67 and 73,477.65
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Solution
The fourth proportional to 127,161.48, 175,514.67 and 73,477.65 is: 101,417.55
Step by Step Solution
- Step 1: Write the proportion equation
127,161.48 : 175,514.67 = 73,477.65 : x - Step 2: Convert to fraction form
127,161.48/175,514.67 = 73,477.65/x - Step 3: Cross multiply
127,161.48x = 175,514.67 × 73,477.65 - Step 4: Simplify right side
127,161.48x = 12,896,405,492.13 - Step 5: Solve for x
x = 12,896,405,492.13/127,161.48 - Step 6: Final answer
x = 101,417.55
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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.