Finding the Fourth Proportional to 145,611.68, 201,006.10 and 97,892.70
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Solution
The fourth proportional to 145,611.68, 201,006.10 and 97,892.70 is: 135,133.60
Step by Step Solution
- Step 1: Write the proportion equation
145,611.68 : 201,006.10 = 97,892.70 : x - Step 2: Convert to fraction form
145,611.68/201,006.10 = 97,892.70/x - Step 3: Cross multiply
145,611.68x = 201,006.10 × 97,892.70 - Step 4: Simplify right side
145,611.68x = 19,677,029,845.47 - Step 5: Solve for x
x = 19,677,029,845.47/145,611.68 - Step 6: Final answer
x = 135,133.60
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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.