Finding the Fourth Proportional to 113,192.97, 156,207.23 and 70,776.09
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Solution
The fourth proportional to 113,192.97, 156,207.23 and 70,776.09 is: 97,671.58
Step by Step Solution
- Step 1: Write the proportion equation
113,192.97 : 156,207.23 = 70,776.09 : x - Step 2: Convert to fraction form
113,192.97/156,207.23 = 70,776.09/x - Step 3: Cross multiply
113,192.97x = 156,207.23 × 70,776.09 - Step 4: Simplify right side
113,192.97x = 11,055,736,615.25 - Step 5: Solve for x
x = 11,055,736,615.25/113,192.97 - Step 6: Final answer
x = 97,671.58
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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.