Finding the Fourth Proportional to 113,089.80, 169,634.70 and 97,537.80
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Solution
The fourth proportional to 113,089.80, 169,634.70 and 97,537.80 is: 146,306.70
Step by Step Solution
- Step 1: Write the proportion equation
113,089.80 : 169,634.70 = 97,537.80 : x - Step 2: Convert to fraction form
113,089.80/169,634.70 = 97,537.80/x - Step 3: Cross multiply
113,089.80x = 169,634.70 × 97,537.80 - Step 4: Simplify right side
113,089.80x = 16,545,795,441.66 - Step 5: Solve for x
x = 16,545,795,441.66/113,089.80 - Step 6: Final answer
x = 146,306.70
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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.