Finding the Fourth Proportional to 135,600.02, 187,129.92 and 74,351.96
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Solution
The fourth proportional to 135,600.02, 187,129.92 and 74,351.96 is: 102,606.74
Step by Step Solution
- Step 1: Write the proportion equation
135,600.02 : 187,129.92 = 74,351.96 : x - Step 2: Convert to fraction form
135,600.02/187,129.92 = 74,351.96/x - Step 3: Cross multiply
135,600.02x = 187,129.92 × 74,351.96 - Step 4: Simplify right side
135,600.02x = 13,913,476,326.64 - Step 5: Solve for x
x = 13,913,476,326.64/135,600.02 - Step 6: Final answer
x = 102,606.74
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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.