Finding the Fourth Proportional to 123,897.99, 170,982.74 and 70,182.99
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Solution
The fourth proportional to 123,897.99, 170,982.74 and 70,182.99 is: 96,854.52
Step by Step Solution
- Step 1: Write the proportion equation
123,897.99 : 170,982.74 = 70,182.99 : x - Step 2: Convert to fraction form
123,897.99/170,982.74 = 70,182.99/x - Step 3: Cross multiply
123,897.99x = 170,982.74 × 70,182.99 - Step 4: Simplify right side
123,897.99x = 12,000,080,334.91 - Step 5: Solve for x
x = 12,000,080,334.91/123,897.99 - Step 6: Final answer
x = 96,854.52
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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.