Finding the Fourth Proportional to 134,198.41, 185,198.06 and 76,837.99
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Solution
The fourth proportional to 134,198.41, 185,198.06 and 76,837.99 is: 106,038.86
Step by Step Solution
- Step 1: Write the proportion equation
134,198.41 : 185,198.06 = 76,837.99 : x - Step 2: Convert to fraction form
134,198.41/185,198.06 = 76,837.99/x - Step 3: Cross multiply
134,198.41x = 185,198.06 × 76,837.99 - Step 4: Simplify right side
134,198.41x = 14,230,246,682.30 - Step 5: Solve for x
x = 14,230,246,682.30/134,198.41 - Step 6: Final answer
x = 106,038.86
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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.