Finding the Fourth Proportional to 106,747.36, 159,339.36 and 94,136.48
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Solution
The fourth proportional to 106,747.36, 159,339.36 and 94,136.48 is: 140,515.39
Step by Step Solution
- Step 1: Write the proportion equation
106,747.36 : 159,339.36 = 94,136.48 : x - Step 2: Convert to fraction form
106,747.36/159,339.36 = 94,136.48/x - Step 3: Cross multiply
106,747.36x = 159,339.36 × 94,136.48 - Step 4: Simplify right side
106,747.36x = 14,999,646,475.85 - Step 5: Solve for x
x = 14,999,646,475.85/106,747.36 - Step 6: Final answer
x = 140,515.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.