Finding the Fourth Proportional to 141,075.36, 194,441.58 and 134,431.74
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Solution
The fourth proportional to 141,075.36, 194,441.58 and 134,431.74 is: 185,284.80
Step by Step Solution
- Step 1: Write the proportion equation
141,075.36 : 194,441.58 = 134,431.74 : x - Step 2: Convert to fraction form
141,075.36/194,441.58 = 134,431.74/x - Step 3: Cross multiply
141,075.36x = 194,441.58 × 134,431.74 - Step 4: Simplify right side
141,075.36x = 26,139,119,927.75 - Step 5: Solve for x
x = 26,139,119,927.75/141,075.36 - Step 6: Final answer
x = 185,284.80
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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.