Finding the Fourth Proportional to 134,865.80, 202,379.70 and 55,971.80
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Solution
The fourth proportional to 134,865.80, 202,379.70 and 55,971.80 is: 83,991.32
Step by Step Solution
- Step 1: Write the proportion equation
134,865.80 : 202,379.70 = 55,971.80 : x - Step 2: Convert to fraction form
134,865.80/202,379.70 = 55,971.80/x - Step 3: Cross multiply
134,865.80x = 202,379.70 × 55,971.80 - Step 4: Simplify right side
134,865.80x = 11,327,556,092.46 - Step 5: Solve for x
x = 11,327,556,092.46/134,865.80 - Step 6: Final answer
x = 83,991.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.