Finding the Fourth Proportional to 124,774.99, 187,134.96 and 36,009.20
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Solution
The fourth proportional to 124,774.99, 187,134.96 and 36,009.20 is: 54,005.86
Step by Step Solution
- Step 1: Write the proportion equation
124,774.99 : 187,134.96 = 36,009.20 : x - Step 2: Convert to fraction form
124,774.99/187,134.96 = 36,009.20/x - Step 3: Cross multiply
124,774.99x = 187,134.96 × 36,009.20 - Step 4: Simplify right side
124,774.99x = 6,738,580,201.63 - Step 5: Solve for x
x = 6,738,580,201.63/124,774.99 - Step 6: Final answer
x = 54,005.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.