Finding the Fourth Proportional to 145,973.68, 201,449.65 and 92,239.09
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Solution
The fourth proportional to 145,973.68, 201,449.65 and 92,239.09 is: 127,293.72
Step by Step Solution
- Step 1: Write the proportion equation
145,973.68 : 201,449.65 = 92,239.09 : x - Step 2: Convert to fraction form
145,973.68/201,449.65 = 92,239.09/x - Step 3: Cross multiply
145,973.68x = 201,449.65 × 92,239.09 - Step 4: Simplify right side
145,973.68x = 18,581,532,396.82 - Step 5: Solve for x
x = 18,581,532,396.82/145,973.68 - Step 6: Final answer
x = 127,293.72
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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.