Finding the Fourth Proportional to 102,531.70, 153,797.55 and 43,347.70
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Solution
The fourth proportional to 102,531.70, 153,797.55 and 43,347.70 is: 65,021.55
Step by Step Solution
- Step 1: Write the proportion equation
102,531.70 : 153,797.55 = 43,347.70 : x - Step 2: Convert to fraction form
102,531.70/153,797.55 = 43,347.70/x - Step 3: Cross multiply
102,531.70x = 153,797.55 × 43,347.70 - Step 4: Simplify right side
102,531.70x = 6,666,770,058.14 - Step 5: Solve for x
x = 6,666,770,058.14/102,531.70 - Step 6: Final answer
x = 65,021.55
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1.5x scale
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.