Finding the Fourth Proportional to 135,325.08, 186,927.10 and 103,882.52
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Solution
The fourth proportional to 135,325.08, 186,927.10 and 103,882.52 is: 143,494.90
Step by Step Solution
- Step 1: Write the proportion equation
135,325.08 : 186,927.10 = 103,882.52 : x - Step 2: Convert to fraction form
135,325.08/186,927.10 = 103,882.52/x - Step 3: Cross multiply
135,325.08x = 186,927.10 × 103,882.52 - Step 4: Simplify right side
135,325.08x = 19,418,458,204.29 - Step 5: Solve for x
x = 19,418,458,204.29/135,325.08 - Step 6: Final answer
x = 143,494.90
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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.