Finding the Fourth Proportional to 134,614.26, 185,768.91 and 74,187.06
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Solution
The fourth proportional to 134,614.26, 185,768.91 and 74,187.06 is: 102,378.82
Step by Step Solution
- Step 1: Write the proportion equation
134,614.26 : 185,768.91 = 74,187.06 : x - Step 2: Convert to fraction form
134,614.26/185,768.91 = 74,187.06/x - Step 3: Cross multiply
134,614.26x = 185,768.91 × 74,187.06 - Step 4: Simplify right side
134,614.26x = 13,781,649,272.30 - Step 5: Solve for x
x = 13,781,649,272.30/134,614.26 - Step 6: Final answer
x = 102,378.82
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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.