Finding the Fourth Proportional to 151,117.26, 208,545.58 and 83,136.08
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Solution
The fourth proportional to 151,117.26, 208,545.58 and 83,136.08 is: 114,729.86
Step by Step Solution
- Step 1: Write the proportion equation
151,117.26 : 208,545.58 = 83,136.08 : x - Step 2: Convert to fraction form
151,117.26/208,545.58 = 83,136.08/x - Step 3: Cross multiply
151,117.26x = 208,545.58 × 83,136.08 - Step 4: Simplify right side
151,117.26x = 17,337,662,022.53 - Step 5: Solve for x
x = 17,337,662,022.53/151,117.26 - Step 6: Final answer
x = 114,729.86
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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.