Finding the Fourth Proportional to 121,202.08, 167,255.76 and 117,625.12
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Solution
The fourth proportional to 121,202.08, 167,255.76 and 117,625.12 is: 162,319.65
Step by Step Solution
- Step 1: Write the proportion equation
121,202.08 : 167,255.76 = 117,625.12 : x - Step 2: Convert to fraction form
121,202.08/167,255.76 = 117,625.12/x - Step 3: Cross multiply
121,202.08x = 167,255.76 × 117,625.12 - Step 4: Simplify right side
121,202.08x = 19,673,478,840.69 - Step 5: Solve for x
x = 19,673,478,840.69/121,202.08 - Step 6: Final answer
x = 162,319.65
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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.