Finding the Fourth Proportional to 125,206.39, 187,574.28 and 61,953.09
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Solution
The fourth proportional to 125,206.39, 187,574.28 and 61,953.09 is: 92,813.20
Step by Step Solution
- Step 1: Write the proportion equation
125,206.39 : 187,574.28 = 61,953.09 : x - Step 2: Convert to fraction form
125,206.39/187,574.28 = 61,953.09/x - Step 3: Cross multiply
125,206.39x = 187,574.28 × 61,953.09 - Step 4: Simplify right side
125,206.39x = 11,620,806,250.53 - Step 5: Solve for x
x = 11,620,806,250.53/125,206.39 - Step 6: Final answer
x = 92,813.20
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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.