Finding the Fourth Proportional to 161,130.24, 222,351.75 and 93,140.75
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Solution
The fourth proportional to 161,130.24, 222,351.75 and 93,140.75 is: 128,529.61
Step by Step Solution
- Step 1: Write the proportion equation
161,130.24 : 222,351.75 = 93,140.75 : x - Step 2: Convert to fraction form
161,130.24/222,351.75 = 93,140.75/x - Step 3: Cross multiply
161,130.24x = 222,351.75 × 93,140.75 - Step 4: Simplify right side
161,130.24x = 20,710,007,647.05 - Step 5: Solve for x
x = 20,710,007,647.05/161,130.24 - Step 6: Final answer
x = 128,529.61
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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.