Finding the Fourth Proportional to 134,693.97, 185,879.14 and 73,439.66
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Solution
The fourth proportional to 134,693.97, 185,879.14 and 73,439.66 is: 101,347.52
Step by Step Solution
- Step 1: Write the proportion equation
134,693.97 : 185,879.14 = 73,439.66 : x - Step 2: Convert to fraction form
134,693.97/185,879.14 = 73,439.66/x - Step 3: Cross multiply
134,693.97x = 185,879.14 × 73,439.66 - Step 4: Simplify right side
134,693.97x = 13,650,900,613.11 - Step 5: Solve for x
x = 13,650,900,613.11/134,693.97 - Step 6: Final answer
x = 101,347.52
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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.