Finding the Fourth Proportional to 124,760.16, 172,199.94 and 71,077.08
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Solution
The fourth proportional to 124,760.16, 172,199.94 and 71,077.08 is: 98,103.99
Step by Step Solution
- Step 1: Write the proportion equation
124,760.16 : 172,199.94 = 71,077.08 : x - Step 2: Convert to fraction form
124,760.16/172,199.94 = 71,077.08/x - Step 3: Cross multiply
124,760.16x = 172,199.94 × 71,077.08 - Step 4: Simplify right side
124,760.16x = 12,239,468,911.38 - Step 5: Solve for x
x = 12,239,468,911.38/124,760.16 - Step 6: Final answer
x = 98,103.99
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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.