Finding the Fourth Proportional to 125,182.77, 187,774.98 and 31,688.52
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Solution
The fourth proportional to 125,182.77, 187,774.98 and 31,688.52 is: 47,532.99
Step by Step Solution
- Step 1: Write the proportion equation
125,182.77 : 187,774.98 = 31,688.52 : x - Step 2: Convert to fraction form
125,182.77/187,774.98 = 31,688.52/x - Step 3: Cross multiply
125,182.77x = 187,774.98 × 31,688.52 - Step 4: Simplify right side
125,182.77x = 5,950,311,209.23 - Step 5: Solve for x
x = 5,950,311,209.23/125,182.77 - Step 6: Final answer
x = 47,532.99
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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.