Finding the Fourth Proportional to 124,896.74, 187,257.47 and 46,000.85
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Solution
The fourth proportional to 124,896.74, 187,257.47 and 46,000.85 is: 68,968.99
Step by Step Solution
- Step 1: Write the proportion equation
124,896.74 : 187,257.47 = 46,000.85 : x - Step 2: Convert to fraction form
124,896.74/187,257.47 = 46,000.85/x - Step 3: Cross multiply
124,896.74x = 187,257.47 × 46,000.85 - Step 4: Simplify right side
124,896.74x = 8,614,001,622.56 - Step 5: Solve for x
x = 8,614,001,622.56/124,896.74 - Step 6: Final answer
x = 68,968.99
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1.5x scale
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.