Finding the Fourth Proportional to 121,911.04, 168,244.77 and 68,199.67
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Solution
The fourth proportional to 121,911.04, 168,244.77 and 68,199.67 is: 94,119.76
Step by Step Solution
- Step 1: Write the proportion equation
121,911.04 : 168,244.77 = 68,199.67 : x - Step 2: Convert to fraction form
121,911.04/168,244.77 = 68,199.67/x - Step 3: Cross multiply
121,911.04x = 168,244.77 × 68,199.67 - Step 4: Simplify right side
121,911.04x = 11,474,237,793.23 - Step 5: Solve for x
x = 11,474,237,793.23/121,911.04 - Step 6: Final answer
x = 94,119.76
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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.