Finding the Fourth Proportional to 125,873.16, 188,754.35 and 66,695.19
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Solution
The fourth proportional to 125,873.16, 188,754.35 and 66,695.19 is: 100,013.43
Step by Step Solution
- Step 1: Write the proportion equation
125,873.16 : 188,754.35 = 66,695.19 : x - Step 2: Convert to fraction form
125,873.16/188,754.35 = 66,695.19/x - Step 3: Cross multiply
125,873.16x = 188,754.35 × 66,695.19 - Step 4: Simplify right side
125,873.16x = 12,589,006,903.10 - Step 5: Solve for x
x = 12,589,006,903.10/125,873.16 - Step 6: Final answer
x = 100,013.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.