Finding the Fourth Proportional to 106,402.68, 146,832.75 and 58,656.02
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Solution
The fourth proportional to 106,402.68, 146,832.75 and 58,656.02 is: 80,943.68
Step by Step Solution
- Step 1: Write the proportion equation
106,402.68 : 146,832.75 = 58,656.02 : x - Step 2: Convert to fraction form
106,402.68/146,832.75 = 58,656.02/x - Step 3: Cross multiply
106,402.68x = 146,832.75 × 58,656.02 - Step 4: Simplify right side
106,402.68x = 8,612,623,986.49 - Step 5: Solve for x
x = 8,612,623,986.49/106,402.68 - Step 6: Final answer
x = 80,943.68
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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.