Finding the Fourth Proportional to 133,490.50, 184,237.50 and 76,129.95
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Solution
The fourth proportional to 133,490.50, 184,237.50 and 76,129.95 is: 105,071.08
Step by Step Solution
- Step 1: Write the proportion equation
133,490.50 : 184,237.50 = 76,129.95 : x - Step 2: Convert to fraction form
133,490.50/184,237.50 = 76,129.95/x - Step 3: Cross multiply
133,490.50x = 184,237.50 × 76,129.95 - Step 4: Simplify right side
133,490.50x = 14,025,991,663.13 - Step 5: Solve for x
x = 14,025,991,663.13/133,490.50 - Step 6: Final answer
x = 105,071.08
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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.