Finding the Fourth Proportional to 168,690.79, 232,755.79 and 97,070.81
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Solution
The fourth proportional to 168,690.79, 232,755.79 and 97,070.81 is: 133,936.14
Step by Step Solution
- Step 1: Write the proportion equation
168,690.79 : 232,755.79 = 97,070.81 : x - Step 2: Convert to fraction form
168,690.79/232,755.79 = 97,070.81/x - Step 3: Cross multiply
168,690.79x = 232,755.79 × 97,070.81 - Step 4: Simplify right side
168,690.79x = 22,593,793,067.49 - Step 5: Solve for x
x = 22,593,793,067.49/168,690.79 - Step 6: Final answer
x = 133,936.14
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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.