Finding the Fourth Proportional to 126,215.04, 174,175.08 and 68,854.08
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Solution
The fourth proportional to 126,215.04, 174,175.08 and 68,854.08 is: 95,017.72
Step by Step Solution
- Step 1: Write the proportion equation
126,215.04 : 174,175.08 = 68,854.08 : x - Step 2: Convert to fraction form
126,215.04/174,175.08 = 68,854.08/x - Step 3: Cross multiply
126,215.04x = 174,175.08 × 68,854.08 - Step 4: Simplify right side
126,215.04x = 11,992,664,892.33 - Step 5: Solve for x
x = 11,992,664,892.33/126,215.04 - Step 6: Final answer
x = 95,017.72
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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.