Finding the Fourth Proportional to 121,473.95, 167,632.90 and 67,026.62
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Solution
The fourth proportional to 121,473.95, 167,632.90 and 67,026.62 is: 92,496.09
Step by Step Solution
- Step 1: Write the proportion equation
121,473.95 : 167,632.90 = 67,026.62 : x - Step 2: Convert to fraction form
121,473.95/167,632.90 = 67,026.62/x - Step 3: Cross multiply
121,473.95x = 167,632.90 × 67,026.62 - Step 4: Simplify right side
121,473.95x = 11,235,865,849.63 - Step 5: Solve for x
x = 11,235,865,849.63/121,473.95 - Step 6: Final answer
x = 92,496.09
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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.