Finding the Fourth Proportional to 119,936.58, 179,149.74 and 88,064.70
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Solution
The fourth proportional to 119,936.58, 179,149.74 and 88,064.70 is: 131,542.59
Step by Step Solution
- Step 1: Write the proportion equation
119,936.58 : 179,149.74 = 88,064.70 : x - Step 2: Convert to fraction form
119,936.58/179,149.74 = 88,064.70/x - Step 3: Cross multiply
119,936.58x = 179,149.74 × 88,064.70 - Step 4: Simplify right side
119,936.58x = 15,776,768,108.18 - Step 5: Solve for x
x = 15,776,768,108.18/119,936.58 - Step 6: Final answer
x = 131,542.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.