Finding the Fourth Proportional to 121,204.08, 167,258.52 and 117,627.12
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Solution
The fourth proportional to 121,204.08, 167,258.52 and 117,627.12 is: 162,322.41
Step by Step Solution
- Step 1: Write the proportion equation
121,204.08 : 167,258.52 = 117,627.12 : x - Step 2: Convert to fraction form
121,204.08/167,258.52 = 117,627.12/x - Step 3: Cross multiply
121,204.08x = 167,258.52 × 117,627.12 - Step 4: Simplify right side
121,204.08x = 19,674,138,003.06 - Step 5: Solve for x
x = 19,674,138,003.06/121,204.08 - Step 6: Final answer
x = 162,322.41
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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.