Finding the Fourth Proportional to 126,844.70, 175,048.15 and 73,120.70
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Solution
The fourth proportional to 126,844.70, 175,048.15 and 73,120.70 is: 100,907.99
Step by Step Solution
- Step 1: Write the proportion equation
126,844.70 : 175,048.15 = 73,120.70 : x - Step 2: Convert to fraction form
126,844.70/175,048.15 = 73,120.70/x - Step 3: Cross multiply
126,844.70x = 175,048.15 × 73,120.70 - Step 4: Simplify right side
126,844.70x = 12,799,643,261.71 - Step 5: Solve for x
x = 12,799,643,261.71/126,844.70 - Step 6: Final answer
x = 100,907.99
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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.