Finding the Fourth Proportional to 134,885.10, 202,165.65 and 55,958.70
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Solution
The fourth proportional to 134,885.10, 202,165.65 and 55,958.70 is: 83,870.84
Step by Step Solution
- Step 1: Write the proportion equation
134,885.10 : 202,165.65 = 55,958.70 : x - Step 2: Convert to fraction form
134,885.10/202,165.65 = 55,958.70/x - Step 3: Cross multiply
134,885.10x = 202,165.65 × 55,958.70 - Step 4: Simplify right side
134,885.10x = 11,312,926,958.66 - Step 5: Solve for x
x = 11,312,926,958.66/134,885.10 - Step 6: Final answer
x = 83,870.84
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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.