Finding the Fourth Proportional to 133,975.68, 184,848.56 and 86,256.66
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Solution
The fourth proportional to 133,975.68, 184,848.56 and 86,256.66 is: 119,009.80
Step by Step Solution
- Step 1: Write the proportion equation
133,975.68 : 184,848.56 = 86,256.66 : x - Step 2: Convert to fraction form
133,975.68/184,848.56 = 86,256.66/x - Step 3: Cross multiply
133,975.68x = 184,848.56 × 86,256.66 - Step 4: Simplify right side
133,975.68x = 15,944,419,391.41 - Step 5: Solve for x
x = 15,944,419,391.41/133,975.68 - Step 6: Final answer
x = 119,009.80
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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.