Finding the Fourth Proportional to 145,000.08, 199,984.68 and 119,805.84
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Solution
The fourth proportional to 145,000.08, 199,984.68 and 119,805.84 is: 165,236.69
Step by Step Solution
- Step 1: Write the proportion equation
145,000.08 : 199,984.68 = 119,805.84 : x - Step 2: Convert to fraction form
145,000.08/199,984.68 = 119,805.84/x - Step 3: Cross multiply
145,000.08x = 199,984.68 × 119,805.84 - Step 4: Simplify right side
145,000.08x = 23,959,332,574.53 - Step 5: Solve for x
x = 23,959,332,574.53/145,000.08 - Step 6: Final answer
x = 165,236.69
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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.