Finding the Fourth Proportional to 126,753.68, 190,130.00 and 31,984.08
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Solution
The fourth proportional to 126,753.68, 190,130.00 and 31,984.08 is: 47,975.99
Step by Step Solution
- Step 1: Write the proportion equation
126,753.68 : 190,130.00 = 31,984.08 : x - Step 2: Convert to fraction form
126,753.68/190,130.00 = 31,984.08/x - Step 3: Cross multiply
126,753.68x = 190,130.00 × 31,984.08 - Step 4: Simplify right side
126,753.68x = 6,081,132,970.48 - Step 5: Solve for x
x = 6,081,132,970.48/126,753.68 - Step 6: Final answer
x = 47,975.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.