Finding the Fourth Proportional to 147,077.44, 202,955.20 and 83,425.44
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Solution
The fourth proportional to 147,077.44, 202,955.20 and 83,425.44 is: 115,120.49
Step by Step Solution
- Step 1: Write the proportion equation
147,077.44 : 202,955.20 = 83,425.44 : x - Step 2: Convert to fraction form
147,077.44/202,955.20 = 83,425.44/x - Step 3: Cross multiply
147,077.44x = 202,955.20 × 83,425.44 - Step 4: Simplify right side
147,077.44x = 16,931,626,860.29 - Step 5: Solve for x
x = 16,931,626,860.29/147,077.44 - Step 6: Final answer
x = 115,120.49
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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.