Finding the Fourth Proportional to 126,251.04, 174,232.08 and 72,553.44
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Solution
The fourth proportional to 126,251.04, 174,232.08 and 72,553.44 is: 100,126.99
Step by Step Solution
- Step 1: Write the proportion equation
126,251.04 : 174,232.08 = 72,553.44 : x - Step 2: Convert to fraction form
126,251.04/174,232.08 = 72,553.44/x - Step 3: Cross multiply
126,251.04x = 174,232.08 × 72,553.44 - Step 4: Simplify right side
126,251.04x = 12,641,136,762.36 - Step 5: Solve for x
x = 12,641,136,762.36/126,251.04 - Step 6: Final answer
x = 100,126.99
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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.