Finding the Fourth Proportional to 146,155.87, 201,888.74 and 117,583.14
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Solution
The fourth proportional to 146,155.87, 201,888.74 and 117,583.14 is: 162,420.52
Step by Step Solution
- Step 1: Write the proportion equation
146,155.87 : 201,888.74 = 117,583.14 : x - Step 2: Convert to fraction form
146,155.87/201,888.74 = 117,583.14/x - Step 3: Cross multiply
146,155.87x = 201,888.74 × 117,583.14 - Step 4: Simplify right side
146,155.87x = 23,738,711,391.93 - Step 5: Solve for x
x = 23,738,711,391.93/146,155.87 - Step 6: Final answer
x = 162,420.52
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1.5x scale
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.