Finding the Fourth Proportional to 102,656.88, 141,764.32 and 97,066.08
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Solution
The fourth proportional to 102,656.88, 141,764.32 and 97,066.08 is: 134,043.69
Step by Step Solution
- Step 1: Write the proportion equation
102,656.88 : 141,764.32 = 97,066.08 : x - Step 2: Convert to fraction form
102,656.88/141,764.32 = 97,066.08/x - Step 3: Cross multiply
102,656.88x = 141,764.32 × 97,066.08 - Step 4: Simplify right side
102,656.88x = 13,760,506,826.27 - Step 5: Solve for x
x = 13,760,506,826.27/102,656.88 - Step 6: Final answer
x = 134,043.69
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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.