Finding the Fourth Proportional to 145,611.84, 201,006.33 and 97,892.87
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Solution
The fourth proportional to 145,611.84, 201,006.33 and 97,892.87 is: 135,133.84
Step by Step Solution
- Step 1: Write the proportion equation
145,611.84 : 201,006.33 = 97,892.87 : x - Step 2: Convert to fraction form
145,611.84/201,006.33 = 97,892.87/x - Step 3: Cross multiply
145,611.84x = 201,006.33 × 97,892.87 - Step 4: Simplify right side
145,611.84x = 19,677,086,531.87 - Step 5: Solve for x
x = 19,677,086,531.87/145,611.84 - Step 6: Final answer
x = 135,133.84
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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.