Finding the Fourth Proportional to 143,101.44, 197,398.08 and 126,146.52
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Solution
The fourth proportional to 143,101.44, 197,398.08 and 126,146.52 is: 174,009.99
Step by Step Solution
- Step 1: Write the proportion equation
143,101.44 : 197,398.08 = 126,146.52 : x - Step 2: Convert to fraction form
143,101.44/197,398.08 = 126,146.52/x - Step 3: Cross multiply
143,101.44x = 197,398.08 × 126,146.52 - Step 4: Simplify right side
143,101.44x = 24,901,080,846.68 - Step 5: Solve for x
x = 24,901,080,846.68/143,101.44 - Step 6: Final answer
x = 174,009.99
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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.