Finding the Fourth Proportional to 96,986.16, 133,536.60 and 88,129.08
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Solution
The fourth proportional to 96,986.16, 133,536.60 and 88,129.08 is: 121,341.62
Step by Step Solution
- Step 1: Write the proportion equation
96,986.16 : 133,536.60 = 88,129.08 : x - Step 2: Convert to fraction form
96,986.16/133,536.60 = 88,129.08/x - Step 3: Cross multiply
96,986.16x = 133,536.60 × 88,129.08 - Step 4: Simplify right side
96,986.16x = 11,768,457,704.33 - Step 5: Solve for x
x = 11,768,457,704.33/96,986.16 - Step 6: Final answer
x = 121,341.62
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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.