Finding the Fourth Proportional to 130,212.97, 179,640.99 and 84,875.04
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Solution
The fourth proportional to 130,212.97, 179,640.99 and 84,875.04 is: 117,093.07
Step by Step Solution
- Step 1: Write the proportion equation
130,212.97 : 179,640.99 = 84,875.04 : x - Step 2: Convert to fraction form
130,212.97/179,640.99 = 84,875.04/x - Step 3: Cross multiply
130,212.97x = 179,640.99 × 84,875.04 - Step 4: Simplify right side
130,212.97x = 15,247,036,211.89 - Step 5: Solve for x
x = 15,247,036,211.89/130,212.97 - Step 6: Final answer
x = 117,093.07
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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.