Finding the Fourth Proportional to 124,077.51, 186,199.65 and 123,620.99
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Solution
The fourth proportional to 124,077.51, 186,199.65 and 123,620.99 is: 185,514.56
Step by Step Solution
- Step 1: Write the proportion equation
124,077.51 : 186,199.65 = 123,620.99 : x - Step 2: Convert to fraction form
124,077.51/186,199.65 = 123,620.99/x - Step 3: Cross multiply
124,077.51x = 186,199.65 × 123,620.99 - Step 4: Simplify right side
124,077.51x = 23,018,184,139.66 - Step 5: Solve for x
x = 23,018,184,139.66/124,077.51 - Step 6: Final answer
x = 185,514.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.