Finding the Fourth Proportional to 159,495.57, 220,108.86 and 91,524.99
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Solution
The fourth proportional to 159,495.57, 220,108.86 and 91,524.99 is: 126,307.34
Step by Step Solution
- Step 1: Write the proportion equation
159,495.57 : 220,108.86 = 91,524.99 : x - Step 2: Convert to fraction form
159,495.57/220,108.86 = 91,524.99/x - Step 3: Cross multiply
159,495.57x = 220,108.86 × 91,524.99 - Step 4: Simplify right side
159,495.57x = 20,145,461,210.41 - Step 5: Solve for x
x = 20,145,461,210.41/159,495.57 - Step 6: Final answer
x = 126,307.34
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1.5x scale
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.