Finding the Fourth Proportional to 125,246.64, 187,930.62 and 55,116.84
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Solution
The fourth proportional to 125,246.64, 187,930.62 and 55,116.84 is: 82,701.95
Step by Step Solution
- Step 1: Write the proportion equation
125,246.64 : 187,930.62 = 55,116.84 : x - Step 2: Convert to fraction form
125,246.64/187,930.62 = 55,116.84/x - Step 3: Cross multiply
125,246.64x = 187,930.62 × 55,116.84 - Step 4: Simplify right side
125,246.64x = 10,358,141,913.64 - Step 5: Solve for x
x = 10,358,141,913.64/125,246.64 - Step 6: Final answer
x = 82,701.95
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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.