Finding the Fourth Proportional to 158,937.88, 218,942.58 and 136,203.88
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Solution
The fourth proportional to 158,937.88, 218,942.58 and 136,203.88 is: 187,625.69
Step by Step Solution
- Step 1: Write the proportion equation
158,937.88 : 218,942.58 = 136,203.88 : x - Step 2: Convert to fraction form
158,937.88/218,942.58 = 136,203.88/x - Step 3: Cross multiply
158,937.88x = 218,942.58 × 136,203.88 - Step 4: Simplify right side
158,937.88x = 29,820,828,893.21 - Step 5: Solve for x
x = 29,820,828,893.21/158,937.88 - Step 6: Final answer
x = 187,625.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.