Finding the Fourth Proportional to 167,118.20, 230,634.07 and 91,666.70
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Solution
The fourth proportional to 167,118.20, 230,634.07 and 91,666.70 is: 126,506.05
Step by Step Solution
- Step 1: Write the proportion equation
167,118.20 : 230,634.07 = 91,666.70 : x - Step 2: Convert to fraction form
167,118.20/230,634.07 = 91,666.70/x - Step 3: Cross multiply
167,118.20x = 230,634.07 × 91,666.70 - Step 4: Simplify right side
167,118.20x = 21,141,462,722.13 - Step 5: Solve for x
x = 21,141,462,722.13/167,118.20 - Step 6: Final answer
x = 126,506.05
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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.