Finding the Fourth Proportional to 121,224.95, 167,275.73 and 69,539.39
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Solution
The fourth proportional to 121,224.95, 167,275.73 and 69,539.39 is: 95,955.92
Step by Step Solution
- Step 1: Write the proportion equation
121,224.95 : 167,275.73 = 69,539.39 : x - Step 2: Convert to fraction form
121,224.95/167,275.73 = 69,539.39/x - Step 3: Cross multiply
121,224.95x = 167,275.73 × 69,539.39 - Step 4: Simplify right side
121,224.95x = 11,632,251,720.30 - Step 5: Solve for x
x = 11,632,251,720.30/121,224.95 - Step 6: Final answer
x = 95,955.92
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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.