Finding the Fourth Proportional to 189,681.96, 261,757.98 and 104,806.92
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Solution
The fourth proportional to 189,681.96, 261,757.98 and 104,806.92 is: 144,631.82
Step by Step Solution
- Step 1: Write the proportion equation
189,681.96 : 261,757.98 = 104,806.92 : x - Step 2: Convert to fraction form
189,681.96/261,757.98 = 104,806.92/x - Step 3: Cross multiply
189,681.96x = 261,757.98 × 104,806.92 - Step 4: Simplify right side
189,681.96x = 27,434,047,669.22 - Step 5: Solve for x
x = 27,434,047,669.22/189,681.96 - Step 6: Final answer
x = 144,631.82
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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.