Finding the Fourth Proportional to 125,655.30, 188,482.95 and 119,531.70
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Solution
The fourth proportional to 125,655.30, 188,482.95 and 119,531.70 is: 179,297.55
Step by Step Solution
- Step 1: Write the proportion equation
125,655.30 : 188,482.95 = 119,531.70 : x - Step 2: Convert to fraction form
125,655.30/188,482.95 = 119,531.70/x - Step 3: Cross multiply
125,655.30x = 188,482.95 × 119,531.70 - Step 4: Simplify right side
125,655.30x = 22,529,687,434.52 - Step 5: Solve for x
x = 22,529,687,434.52/125,655.30 - Step 6: Final answer
x = 179,297.55
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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.