Finding the Fourth Proportional to 135,691.54, 187,246.69 and 75,257.84
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Solution
The fourth proportional to 135,691.54, 187,246.69 and 75,257.84 is: 103,851.59
Step by Step Solution
- Step 1: Write the proportion equation
135,691.54 : 187,246.69 = 75,257.84 : x - Step 2: Convert to fraction form
135,691.54/187,246.69 = 75,257.84/x - Step 3: Cross multiply
135,691.54x = 187,246.69 × 75,257.84 - Step 4: Simplify right side
135,691.54x = 14,091,781,716.52 - Step 5: Solve for x
x = 14,091,781,716.52/135,691.54 - Step 6: Final answer
x = 103,851.59
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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.