Finding the Fourth Proportional to 125,025.60, 187,624.80 and 89,995.20
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Solution
The fourth proportional to 125,025.60, 187,624.80 and 89,995.20 is: 135,054.99
Step by Step Solution
- Step 1: Write the proportion equation
125,025.60 : 187,624.80 = 89,995.20 : x - Step 2: Convert to fraction form
125,025.60/187,624.80 = 89,995.20/x - Step 3: Cross multiply
125,025.60x = 187,624.80 × 89,995.20 - Step 4: Simplify right side
125,025.60x = 16,885,331,400.96 - Step 5: Solve for x
x = 16,885,331,400.96/125,025.60 - Step 6: Final answer
x = 135,054.99
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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.