Finding the Fourth Proportional to 97,129.20, 145,693.80 and 97,129.20
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Solution
The fourth proportional to 97,129.20, 145,693.80 and 97,129.20 is: 145,693.80
Step by Step Solution
- Step 1: Write the proportion equation
97,129.20 : 145,693.80 = 97,129.20 : x - Step 2: Convert to fraction form
97,129.20/145,693.80 = 97,129.20/x - Step 3: Cross multiply
97,129.20x = 145,693.80 × 97,129.20 - Step 4: Simplify right side
97,129.20x = 14,151,122,238.96 - Step 5: Solve for x
x = 14,151,122,238.96/97,129.20 - Step 6: Final answer
x = 145,693.80
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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.