Finding the Fourth Proportional to 121,600.08, 167,760.45 and 70,604.10
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Solution
The fourth proportional to 121,600.08, 167,760.45 and 70,604.10 is: 97,405.99
Step by Step Solution
- Step 1: Write the proportion equation
121,600.08 : 167,760.45 = 70,604.10 : x - Step 2: Convert to fraction form
121,600.08/167,760.45 = 70,604.10/x - Step 3: Cross multiply
121,600.08x = 167,760.45 × 70,604.10 - Step 4: Simplify right side
121,600.08x = 11,844,575,587.85 - Step 5: Solve for x
x = 11,844,575,587.85/121,600.08 - Step 6: Final answer
x = 97,405.99
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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.