Finding the Fourth Proportional to 159,170.57, 219,686.58 and 91,233.08
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Solution
The fourth proportional to 159,170.57, 219,686.58 and 91,233.08 is: 125,919.53
Step by Step Solution
- Step 1: Write the proportion equation
159,170.57 : 219,686.58 = 91,233.08 : x - Step 2: Convert to fraction form
159,170.57/219,686.58 = 91,233.08/x - Step 3: Cross multiply
159,170.57x = 219,686.58 × 91,233.08 - Step 4: Simplify right side
159,170.57x = 20,042,683,328.07 - Step 5: Solve for x
x = 20,042,683,328.07/159,170.57 - Step 6: Final answer
x = 125,919.53
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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.