Finding the Fourth Proportional to 147,806.92, 203,973.74 and 84,144.63
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Solution
The fourth proportional to 147,806.92, 203,973.74 and 84,144.63 is: 116,119.70
Step by Step Solution
- Step 1: Write the proportion equation
147,806.92 : 203,973.74 = 84,144.63 : x - Step 2: Convert to fraction form
147,806.92/203,973.74 = 84,144.63/x - Step 3: Cross multiply
147,806.92x = 203,973.74 × 84,144.63 - Step 4: Simplify right side
147,806.92x = 17,163,294,882.02 - Step 5: Solve for x
x = 17,163,294,882.02/147,806.92 - Step 6: Final answer
x = 116,119.70
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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.