Finding the Fourth Proportional to 177,770.15, 245,326.65 and 106,136.81
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Solution
The fourth proportional to 177,770.15, 245,326.65 and 106,136.81 is: 146,471.09
Step by Step Solution
- Step 1: Write the proportion equation
177,770.15 : 245,326.65 = 106,136.81 : x - Step 2: Convert to fraction form
177,770.15/245,326.65 = 106,136.81/x - Step 3: Cross multiply
177,770.15x = 245,326.65 × 106,136.81 - Step 4: Simplify right side
177,770.15x = 26,038,188,038.99 - Step 5: Solve for x
x = 26,038,188,038.99/177,770.15 - Step 6: Final answer
x = 146,471.09
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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.