Finding the Fourth Proportional to 133,657.83, 184,424.36 and 76,270.95
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Solution
The fourth proportional to 133,657.83, 184,424.36 and 76,270.95 is: 105,240.53
Step by Step Solution
- Step 1: Write the proportion equation
133,657.83 : 184,424.36 = 76,270.95 : x - Step 2: Convert to fraction form
133,657.83/184,424.36 = 76,270.95/x - Step 3: Cross multiply
133,657.83x = 184,424.36 × 76,270.95 - Step 4: Simplify right side
133,657.83x = 14,066,221,188.01 - Step 5: Solve for x
x = 14,066,221,188.01/133,657.83 - Step 6: Final answer
x = 105,240.53
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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.