Finding the Fourth Proportional to 121,594.13, 167,797.10 and 67,884.14
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Solution
The fourth proportional to 121,594.13, 167,797.10 and 67,884.14 is: 93,678.55
Step by Step Solution
- Step 1: Write the proportion equation
121,594.13 : 167,797.10 = 67,884.14 : x - Step 2: Convert to fraction form
121,594.13/167,797.10 = 67,884.14/x - Step 3: Cross multiply
121,594.13x = 167,797.10 × 67,884.14 - Step 4: Simplify right side
121,594.13x = 11,390,760,989.01 - Step 5: Solve for x
x = 11,390,760,989.01/121,594.13 - Step 6: Final answer
x = 93,678.55
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1.5x scale
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.