Finding the Fourth Proportional to 97,222.68, 134,178.12 and 61,410.96
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Solution
The fourth proportional to 97,222.68, 134,178.12 and 61,410.96 is: 84,753.96
Step by Step Solution
- Step 1: Write the proportion equation
97,222.68 : 134,178.12 = 61,410.96 : x - Step 2: Convert to fraction form
97,222.68/134,178.12 = 61,410.96/x - Step 3: Cross multiply
97,222.68x = 134,178.12 × 61,410.96 - Step 4: Simplify right side
97,222.68x = 8,240,007,160.20 - Step 5: Solve for x
x = 8,240,007,160.20/97,222.68 - Step 6: Final answer
x = 84,753.96
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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.