Finding the Fourth Proportional to 125,263.13, 187,423.88 and 87,896.10
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Solution
The fourth proportional to 125,263.13, 187,423.88 and 87,896.10 is: 131,513.79
Step by Step Solution
- Step 1: Write the proportion equation
125,263.13 : 187,423.88 = 87,896.10 : x - Step 2: Convert to fraction form
125,263.13/187,423.88 = 87,896.10/x - Step 3: Cross multiply
125,263.13x = 187,423.88 × 87,896.10 - Step 4: Simplify right side
125,263.13x = 16,473,828,362.23 - Step 5: Solve for x
x = 16,473,828,362.23/125,263.13 - Step 6: Final answer
x = 131,513.79
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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.