Finding the Fourth Proportional to 132,758.55, 199,017.36 and 66,219.08
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Solution
The fourth proportional to 132,758.55, 199,017.36 and 66,219.08 is: 99,268.53
Step by Step Solution
- Step 1: Write the proportion equation
132,758.55 : 199,017.36 = 66,219.08 : x - Step 2: Convert to fraction form
132,758.55/199,017.36 = 66,219.08/x - Step 3: Cross multiply
132,758.55x = 199,017.36 × 66,219.08 - Step 4: Simplify right side
132,758.55x = 13,178,745,488.14 - Step 5: Solve for x
x = 13,178,745,488.14/132,758.55 - Step 6: Final answer
x = 99,268.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.