Finding the Fourth Proportional to 126,874.16, 175,104.99 and 73,148.66
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Solution
The fourth proportional to 126,874.16, 175,104.99 and 73,148.66 is: 100,955.90
Step by Step Solution
- Step 1: Write the proportion equation
126,874.16 : 175,104.99 = 73,148.66 : x - Step 2: Convert to fraction form
126,874.16/175,104.99 = 73,148.66/x - Step 3: Cross multiply
126,874.16x = 175,104.99 × 73,148.66 - Step 4: Simplify right side
126,874.16x = 12,808,695,012.07 - Step 5: Solve for x
x = 12,808,695,012.07/126,874.16 - Step 6: Final answer
x = 100,955.90
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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.