Finding the Fourth Proportional to 126,588.24, 174,533.00 and 81,186.12
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Solution
The fourth proportional to 126,588.24, 174,533.00 and 81,186.12 is: 111,935.02
Step by Step Solution
- Step 1: Write the proportion equation
126,588.24 : 174,533.00 = 81,186.12 : x - Step 2: Convert to fraction form
126,588.24/174,533.00 = 81,186.12/x - Step 3: Cross multiply
126,588.24x = 174,533.00 × 81,186.12 - Step 4: Simplify right side
126,588.24x = 14,169,656,676.03 - Step 5: Solve for x
x = 14,169,656,676.03/126,588.24 - Step 6: Final answer
x = 111,935.02
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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.