Finding the Fourth Proportional to 106,290.53, 159,463.18 and 39,731.14
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Solution
The fourth proportional to 106,290.53, 159,463.18 and 39,731.14 is: 59,606.95
Step by Step Solution
- Step 1: Write the proportion equation
106,290.53 : 159,463.18 = 39,731.14 : x - Step 2: Convert to fraction form
106,290.53/159,463.18 = 39,731.14/x - Step 3: Cross multiply
106,290.53x = 159,463.18 × 39,731.14 - Step 4: Simplify right side
106,290.53x = 6,335,654,178.42 - Step 5: Solve for x
x = 6,335,654,178.42/106,290.53 - Step 6: Final answer
x = 59,606.95
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1.5x scale
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.