Finding the Fourth Proportional to 135,656.24, 187,167.36 and 106,886.70
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Solution
The fourth proportional to 135,656.24, 187,167.36 and 106,886.70 is: 147,473.51
Step by Step Solution
- Step 1: Write the proportion equation
135,656.24 : 187,167.36 = 106,886.70 : x - Step 2: Convert to fraction form
135,656.24/187,167.36 = 106,886.70/x - Step 3: Cross multiply
135,656.24x = 187,167.36 × 106,886.70 - Step 4: Simplify right side
135,656.24x = 20,005,701,458.11 - Step 5: Solve for x
x = 20,005,701,458.11/135,656.24 - Step 6: Final answer
x = 147,473.51
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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.