Finding the Fourth Proportional to 134,315.17, 185,355.36 and 73,890.40
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Solution
The fourth proportional to 134,315.17, 185,355.36 and 73,890.40 is: 101,968.99
Step by Step Solution
- Step 1: Write the proportion equation
134,315.17 : 185,355.36 = 73,890.40 : x - Step 2: Convert to fraction form
134,315.17/185,355.36 = 73,890.40/x - Step 3: Cross multiply
134,315.17x = 185,355.36 × 73,890.40 - Step 4: Simplify right side
134,315.17x = 13,695,981,692.54 - Step 5: Solve for x
x = 13,695,981,692.54/134,315.17 - Step 6: Final answer
x = 101,968.99
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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.