Finding the Fourth Proportional to 134,886.70, 202,330.05 and 71,901.10
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Solution
The fourth proportional to 134,886.70, 202,330.05 and 71,901.10 is: 107,851.65
Step by Step Solution
- Step 1: Write the proportion equation
134,886.70 : 202,330.05 = 71,901.10 : x - Step 2: Convert to fraction form
134,886.70/202,330.05 = 71,901.10/x - Step 3: Cross multiply
134,886.70x = 202,330.05 × 71,901.10 - Step 4: Simplify right side
134,886.70x = 14,547,753,158.06 - Step 5: Solve for x
x = 14,547,753,158.06/134,886.70 - Step 6: Final answer
x = 107,851.65
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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.