Finding the Fourth Proportional to 121,547.58, 167,744.07 and 67,843.08
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Solution
The fourth proportional to 121,547.58, 167,744.07 and 67,843.08 is: 93,628.14
Step by Step Solution
- Step 1: Write the proportion equation
121,547.58 : 167,744.07 = 67,843.08 : x - Step 2: Convert to fraction form
121,547.58/167,744.07 = 67,843.08/x - Step 3: Cross multiply
121,547.58x = 167,744.07 × 67,843.08 - Step 4: Simplify right side
121,547.58x = 11,380,274,360.54 - Step 5: Solve for x
x = 11,380,274,360.54/121,547.58 - Step 6: Final answer
x = 93,628.14
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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.