Finding the Fourth Proportional to 121,179.71, 167,202.65 and 70,174.08
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Solution
The fourth proportional to 121,179.71, 167,202.65 and 70,174.08 is: 96,825.55
Step by Step Solution
- Step 1: Write the proportion equation
121,179.71 : 167,202.65 = 70,174.08 : x - Step 2: Convert to fraction form
121,179.71/167,202.65 = 70,174.08/x - Step 3: Cross multiply
121,179.71x = 167,202.65 × 70,174.08 - Step 4: Simplify right side
121,179.71x = 11,733,291,786.44 - Step 5: Solve for x
x = 11,733,291,786.44/121,179.71 - Step 6: Final answer
x = 96,825.55
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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.