Finding the Fourth Proportional to 112,117.05, 168,139.01 and 37,217.09
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Solution
The fourth proportional to 112,117.05, 168,139.01 and 37,217.09 is: 55,813.49
Step by Step Solution
- Step 1: Write the proportion equation
112,117.05 : 168,139.01 = 37,217.09 : x - Step 2: Convert to fraction form
112,117.05/168,139.01 = 37,217.09/x - Step 3: Cross multiply
112,117.05x = 168,139.01 × 37,217.09 - Step 4: Simplify right side
112,117.05x = 6,257,643,640.90 - Step 5: Solve for x
x = 6,257,643,640.90/112,117.05 - Step 6: Final answer
x = 55,813.49
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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.