Finding the Fourth Proportional to 126,159.68, 174,108.96 and 73,167.68
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Solution
The fourth proportional to 126,159.68, 174,108.96 and 73,167.68 is: 100,976.39
Step by Step Solution
- Step 1: Write the proportion equation
126,159.68 : 174,108.96 = 73,167.68 : x - Step 2: Convert to fraction form
126,159.68/174,108.96 = 73,167.68/x - Step 3: Cross multiply
126,159.68x = 174,108.96 × 73,167.68 - Step 4: Simplify right side
126,159.68x = 12,739,148,670.41 - Step 5: Solve for x
x = 12,739,148,670.41/126,159.68 - Step 6: Final answer
x = 100,976.39
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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.