Finding the Fourth Proportional to 112,011.99, 168,022.08 and 37,138.68
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Solution
The fourth proportional to 112,011.99, 168,022.08 and 37,138.68 is: 55,709.38
Step by Step Solution
- Step 1: Write the proportion equation
112,011.99 : 168,022.08 = 37,138.68 : x - Step 2: Convert to fraction form
112,011.99/168,022.08 = 37,138.68/x - Step 3: Cross multiply
112,011.99x = 168,022.08 × 37,138.68 - Step 4: Simplify right side
112,011.99x = 6,240,117,946.17 - Step 5: Solve for x
x = 6,240,117,946.17/112,011.99 - Step 6: Final answer
x = 55,709.38
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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.