Finding the Fourth Proportional to 124,690.34, 187,098.08 and 58,135.68
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Solution
The fourth proportional to 124,690.34, 187,098.08 and 58,135.68 is: 87,232.69
Step by Step Solution
- Step 1: Write the proportion equation
124,690.34 : 187,098.08 = 58,135.68 : x - Step 2: Convert to fraction form
124,690.34/187,098.08 = 58,135.68/x - Step 3: Cross multiply
124,690.34x = 187,098.08 × 58,135.68 - Step 4: Simplify right side
124,690.34x = 10,877,074,107.49 - Step 5: Solve for x
x = 10,877,074,107.49/124,690.34 - Step 6: Final answer
x = 87,232.69
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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.