Finding the Fourth Proportional to 107,982.16, 149,026.92 and 60,252.08
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Solution
The fourth proportional to 107,982.16, 149,026.92 and 60,252.08 is: 83,154.31
Step by Step Solution
- Step 1: Write the proportion equation
107,982.16 : 149,026.92 = 60,252.08 : x - Step 2: Convert to fraction form
107,982.16/149,026.92 = 60,252.08/x - Step 3: Cross multiply
107,982.16x = 149,026.92 × 60,252.08 - Step 4: Simplify right side
107,982.16x = 8,979,181,905.99 - Step 5: Solve for x
x = 8,979,181,905.99/107,982.16 - Step 6: Final answer
x = 83,154.31
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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.