Finding the Fourth Proportional to 129,830.99, 193,601.03 and 125,205.48
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Solution
The fourth proportional to 129,830.99, 193,601.03 and 125,205.48 is: 186,703.58
Step by Step Solution
- Step 1: Write the proportion equation
129,830.99 : 193,601.03 = 125,205.48 : x - Step 2: Convert to fraction form
129,830.99/193,601.03 = 125,205.48/x - Step 3: Cross multiply
129,830.99x = 193,601.03 × 125,205.48 - Step 4: Simplify right side
129,830.99x = 24,239,909,263.62 - Step 5: Solve for x
x = 24,239,909,263.62/129,830.99 - Step 6: Final answer
x = 186,703.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.