Finding the Fourth Proportional to 106,195.34, 159,218.14 and 42,996.81
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Solution
The fourth proportional to 106,195.34, 159,218.14 and 42,996.81 is: 64,464.90
Step by Step Solution
- Step 1: Write the proportion equation
106,195.34 : 159,218.14 = 42,996.81 : x - Step 2: Convert to fraction form
106,195.34/159,218.14 = 42,996.81/x - Step 3: Cross multiply
106,195.34x = 159,218.14 × 42,996.81 - Step 4: Simplify right side
106,195.34x = 6,845,872,114.13 - Step 5: Solve for x
x = 6,845,872,114.13/106,195.34 - Step 6: Final answer
x = 64,464.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.