Finding the Fourth Proportional to 147,025.74, 202,928.64 and 89,684.49
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Solution
The fourth proportional to 147,025.74, 202,928.64 and 89,684.49 is: 123,784.80
Step by Step Solution
- Step 1: Write the proportion equation
147,025.74 : 202,928.64 = 89,684.49 : x - Step 2: Convert to fraction form
147,025.74/202,928.64 = 89,684.49/x - Step 3: Cross multiply
147,025.74x = 202,928.64 × 89,684.49 - Step 4: Simplify right side
147,025.74x = 18,199,551,584.79 - Step 5: Solve for x
x = 18,199,551,584.79/147,025.74 - Step 6: Final answer
x = 123,784.80
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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.