Finding the Fourth Proportional to 121,519.80, 181,951.65 and 121,519.80
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Solution
The fourth proportional to 121,519.80, 181,951.65 and 121,519.80 is: 181,951.65
Step by Step Solution
- Step 1: Write the proportion equation
121,519.80 : 181,951.65 = 121,519.80 : x - Step 2: Convert to fraction form
121,519.80/181,951.65 = 121,519.80/x - Step 3: Cross multiply
121,519.80x = 181,951.65 × 121,519.80 - Step 4: Simplify right side
121,519.80x = 22,110,728,117.67 - Step 5: Solve for x
x = 22,110,728,117.67/121,519.80 - Step 6: Final answer
x = 181,951.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.