Finding the Fourth Proportional to 133,973.44, 184,845.47 and 86,254.41
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Solution
The fourth proportional to 133,973.44, 184,845.47 and 86,254.41 is: 119,006.70
Step by Step Solution
- Step 1: Write the proportion equation
133,973.44 : 184,845.47 = 86,254.41 : x - Step 2: Convert to fraction form
133,973.44/184,845.47 = 86,254.41/x - Step 3: Cross multiply
133,973.44x = 184,845.47 × 86,254.41 - Step 4: Simplify right side
133,973.44x = 15,943,736,524.75 - Step 5: Solve for x
x = 15,943,736,524.75/133,973.44 - Step 6: Final answer
x = 119,006.70
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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.