Finding the Fourth Proportional to 133,538.18, 184,282.34 and 73,108.31
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Solution
The fourth proportional to 133,538.18, 184,282.34 and 73,108.31 is: 100,889.27
Step by Step Solution
- Step 1: Write the proportion equation
133,538.18 : 184,282.34 = 73,108.31 : x - Step 2: Convert to fraction form
133,538.18/184,282.34 = 73,108.31/x - Step 3: Cross multiply
133,538.18x = 184,282.34 × 73,108.31 - Step 4: Simplify right side
133,538.18x = 13,472,569,153.29 - Step 5: Solve for x
x = 13,472,569,153.29/133,538.18 - Step 6: Final answer
x = 100,889.27
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1.5x scale
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.