Finding the Fourth Proportional to 134,197.91, 185,193.50 and 76,838.12
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Solution
The fourth proportional to 134,197.91, 185,193.50 and 76,838.12 is: 106,036.82
Step by Step Solution
- Step 1: Write the proportion equation
134,197.91 : 185,193.50 = 76,838.12 : x - Step 2: Convert to fraction form
134,197.91/185,193.50 = 76,838.12/x - Step 3: Cross multiply
134,197.91x = 185,193.50 × 76,838.12 - Step 4: Simplify right side
134,197.91x = 14,229,919,992.03 - Step 5: Solve for x
x = 14,229,919,992.03/134,197.91 - Step 6: Final answer
x = 106,036.82
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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.