Finding the Fourth Proportional to 121,247.08, 167,329.38 and 73,502.44
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Solution
The fourth proportional to 121,247.08, 167,329.38 and 73,502.44 is: 101,438.47
Step by Step Solution
- Step 1: Write the proportion equation
121,247.08 : 167,329.38 = 73,502.44 : x - Step 2: Convert to fraction form
121,247.08/167,329.38 = 73,502.44/x - Step 3: Cross multiply
121,247.08x = 167,329.38 × 73,502.44 - Step 4: Simplify right side
121,247.08x = 12,299,117,713.69 - Step 5: Solve for x
x = 12,299,117,713.69/121,247.08 - Step 6: Final answer
x = 101,438.47
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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.