Finding the Fourth Proportional to 152,136.53, 209,932.26 and 84,142.70
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Solution
The fourth proportional to 152,136.53, 209,932.26 and 84,142.70 is: 116,107.99
Step by Step Solution
- Step 1: Write the proportion equation
152,136.53 : 209,932.26 = 84,142.70 : x - Step 2: Convert to fraction form
152,136.53/209,932.26 = 84,142.70/x - Step 3: Cross multiply
152,136.53x = 209,932.26 × 84,142.70 - Step 4: Simplify right side
152,136.53x = 17,664,266,595.55 - Step 5: Solve for x
x = 17,664,266,595.55/152,136.53 - Step 6: Final answer
x = 116,107.99
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1.5x scale
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.