Finding the Fourth Proportional to 168,230.79, 232,142.36 and 92,774.43
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Solution
The fourth proportional to 168,230.79, 232,142.36 and 92,774.43 is: 128,019.82
Step by Step Solution
- Step 1: Write the proportion equation
168,230.79 : 232,142.36 = 92,774.43 : x - Step 2: Convert to fraction form
168,230.79/232,142.36 = 92,774.43/x - Step 3: Cross multiply
168,230.79x = 232,142.36 × 92,774.43 - Step 4: Simplify right side
168,230.79x = 21,536,874,663.98 - Step 5: Solve for x
x = 21,536,874,663.98/168,230.79 - Step 6: Final answer
x = 128,019.82
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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.