Finding the Fourth Proportional to 133,449.18, 184,176.87 and 76,108.77
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Solution
The fourth proportional to 133,449.18, 184,176.87 and 76,108.77 is: 105,039.80
Step by Step Solution
- Step 1: Write the proportion equation
133,449.18 : 184,176.87 = 76,108.77 : x - Step 2: Convert to fraction form
133,449.18/184,176.87 = 76,108.77/x - Step 3: Cross multiply
133,449.18x = 184,176.87 × 76,108.77 - Step 4: Simplify right side
133,449.18x = 14,017,475,038.15 - Step 5: Solve for x
x = 14,017,475,038.15/133,449.18 - Step 6: Final answer
x = 105,039.80
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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.