Finding the Fourth Proportional to 106,136.30, 159,157.74 and 56,204.74
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Solution
The fourth proportional to 106,136.30, 159,157.74 and 56,204.74 is: 84,282.38
Step by Step Solution
- Step 1: Write the proportion equation
106,136.30 : 159,157.74 = 56,204.74 : x - Step 2: Convert to fraction form
106,136.30/159,157.74 = 56,204.74/x - Step 3: Cross multiply
106,136.30x = 159,157.74 × 56,204.74 - Step 4: Simplify right side
106,136.30x = 8,945,419,805.40 - Step 5: Solve for x
x = 8,945,419,805.40/106,136.30 - Step 6: Final answer
x = 84,282.38
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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.