Finding the Fourth Proportional to 119,556.12, 164,987.94 and 68,570.82
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Solution
The fourth proportional to 119,556.12, 164,987.94 and 68,570.82 is: 94,628.02
Step by Step Solution
- Step 1: Write the proportion equation
119,556.12 : 164,987.94 = 68,570.82 : x - Step 2: Convert to fraction form
119,556.12/164,987.94 = 68,570.82/x - Step 3: Cross multiply
119,556.12x = 164,987.94 × 68,570.82 - Step 4: Simplify right side
119,556.12x = 11,313,358,335.91 - Step 5: Solve for x
x = 11,313,358,335.91/119,556.12 - Step 6: Final answer
x = 94,628.02
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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.