Finding the Fourth Proportional to 168,586.52, 232,649.01 and 93,135.02
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Solution
The fourth proportional to 168,586.52, 232,649.01 and 93,135.02 is: 128,526.11
Step by Step Solution
- Step 1: Write the proportion equation
168,586.52 : 232,649.01 = 93,135.02 : x - Step 2: Convert to fraction form
168,586.52/232,649.01 = 93,135.02/x - Step 3: Cross multiply
168,586.52x = 232,649.01 × 93,135.02 - Step 4: Simplify right side
168,586.52x = 21,667,769,036.09 - Step 5: Solve for x
x = 21,667,769,036.09/168,586.52 - Step 6: Final answer
x = 128,526.11
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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.