Finding the Fourth Proportional to 133,560.74, 184,318.79 and 76,209.40
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Solution
The fourth proportional to 133,560.74, 184,318.79 and 76,209.40 is: 105,171.80
Step by Step Solution
- Step 1: Write the proportion equation
133,560.74 : 184,318.79 = 76,209.40 : x - Step 2: Convert to fraction form
133,560.74/184,318.79 = 76,209.40/x - Step 3: Cross multiply
133,560.74x = 184,318.79 × 76,209.40 - Step 4: Simplify right side
133,560.74x = 14,046,823,552.78 - Step 5: Solve for x
x = 14,046,823,552.78/133,560.74 - Step 6: Final answer
x = 105,171.80
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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.