Finding the Fourth Proportional to 145,612.09, 201,006.68 and 97,893.11
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Solution
The fourth proportional to 145,612.09, 201,006.68 and 97,893.11 is: 135,134.17
Step by Step Solution
- Step 1: Write the proportion equation
145,612.09 : 201,006.68 = 97,893.11 : x - Step 2: Convert to fraction form
145,612.09/201,006.68 = 97,893.11/x - Step 3: Cross multiply
145,612.09x = 201,006.68 × 97,893.11 - Step 4: Simplify right side
145,612.09x = 19,677,169,035.97 - Step 5: Solve for x
x = 19,677,169,035.97/145,612.09 - Step 6: Final answer
x = 135,134.17
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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.