Finding the Fourth Proportional to 113,497.80, 170,246.70 and 96,001.80
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Solution
The fourth proportional to 113,497.80, 170,246.70 and 96,001.80 is: 144,002.70
Step by Step Solution
- Step 1: Write the proportion equation
113,497.80 : 170,246.70 = 96,001.80 : x - Step 2: Convert to fraction form
113,497.80/170,246.70 = 96,001.80/x - Step 3: Cross multiply
113,497.80x = 170,246.70 × 96,001.80 - Step 4: Simplify right side
113,497.80x = 16,343,989,644.06 - Step 5: Solve for x
x = 16,343,989,644.06/113,497.80 - Step 6: Final answer
x = 144,002.70
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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.