Finding the Fourth Proportional to 134,289.42, 185,324.68 and 73,865.68
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Solution
The fourth proportional to 134,289.42, 185,324.68 and 73,865.68 is: 101,937.54
Step by Step Solution
- Step 1: Write the proportion equation
134,289.42 : 185,324.68 = 73,865.68 : x - Step 2: Convert to fraction form
134,289.42/185,324.68 = 73,865.68/x - Step 3: Cross multiply
134,289.42x = 185,324.68 × 73,865.68 - Step 4: Simplify right side
134,289.42x = 13,689,133,508.98 - Step 5: Solve for x
x = 13,689,133,508.98/134,289.42 - Step 6: Final answer
x = 101,937.54
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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.