Finding the Fourth Proportional to 137,706.72, 190,023.92 and 97,444.08
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Solution
The fourth proportional to 137,706.72, 190,023.92 and 97,444.08 is: 134,464.80
Step by Step Solution
- Step 1: Write the proportion equation
137,706.72 : 190,023.92 = 97,444.08 : x - Step 2: Convert to fraction form
137,706.72/190,023.92 = 97,444.08/x - Step 3: Cross multiply
137,706.72x = 190,023.92 × 97,444.08 - Step 4: Simplify right side
137,706.72x = 18,516,706,062.39 - Step 5: Solve for x
x = 18,516,706,062.39/137,706.72 - Step 6: Final answer
x = 134,464.80
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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.