Finding the Fourth Proportional to 133,038.48, 183,596.88 and 72,612.96
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Solution
The fourth proportional to 133,038.48, 183,596.88 and 72,612.96 is: 100,207.95
Step by Step Solution
- Step 1: Write the proportion equation
133,038.48 : 183,596.88 = 72,612.96 : x - Step 2: Convert to fraction form
133,038.48/183,596.88 = 72,612.96/x - Step 3: Cross multiply
133,038.48x = 183,596.88 × 72,612.96 - Step 4: Simplify right side
133,038.48x = 13,331,512,903.56 - Step 5: Solve for x
x = 13,331,512,903.56/133,038.48 - Step 6: Final answer
x = 100,207.95
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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.