Finding the Fourth Proportional to 121,277.10, 167,316.39 and 73,513.02
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Solution
The fourth proportional to 121,277.10, 167,316.39 and 73,513.02 is: 101,420.08
Step by Step Solution
- Step 1: Write the proportion equation
121,277.10 : 167,316.39 = 73,513.02 : x - Step 2: Convert to fraction form
121,277.10/167,316.39 = 73,513.02/x - Step 3: Cross multiply
121,277.10x = 167,316.39 × 73,513.02 - Step 4: Simplify right side
121,277.10x = 12,299,933,124.40 - Step 5: Solve for x
x = 12,299,933,124.40/121,277.10 - Step 6: Final answer
x = 101,420.08
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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.