Finding the Fourth Proportional to 126,841.70, 175,044.01 and 73,117.70
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Solution
The fourth proportional to 126,841.70, 175,044.01 and 73,117.70 is: 100,903.85
Step by Step Solution
- Step 1: Write the proportion equation
126,841.70 : 175,044.01 = 73,117.70 : x - Step 2: Convert to fraction form
126,841.70/175,044.01 = 73,117.70/x - Step 3: Cross multiply
126,841.70x = 175,044.01 × 73,117.70 - Step 4: Simplify right side
126,841.70x = 12,798,815,409.98 - Step 5: Solve for x
x = 12,798,815,409.98/126,841.70 - Step 6: Final answer
x = 100,903.85
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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.