Finding the Fourth Proportional to 119,986.26, 165,521.07 and 71,554.02
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Solution
The fourth proportional to 119,986.26, 165,521.07 and 71,554.02 is: 98,708.79
Step by Step Solution
- Step 1: Write the proportion equation
119,986.26 : 165,521.07 = 71,554.02 : x - Step 2: Convert to fraction form
119,986.26/165,521.07 = 71,554.02/x - Step 3: Cross multiply
119,986.26x = 165,521.07 × 71,554.02 - Step 4: Simplify right side
119,986.26x = 11,843,697,953.20 - Step 5: Solve for x
x = 11,843,697,953.20/119,986.26 - Step 6: Final answer
x = 98,708.79
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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.