Finding the Fourth Proportional to 121,412.18, 181,774.84 and 64,356.08
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Solution
The fourth proportional to 121,412.18, 181,774.84 and 64,356.08 is: 96,352.08
Step by Step Solution
- Step 1: Write the proportion equation
121,412.18 : 181,774.84 = 64,356.08 : x - Step 2: Convert to fraction form
121,412.18/181,774.84 = 64,356.08/x - Step 3: Cross multiply
121,412.18x = 181,774.84 × 64,356.08 - Step 4: Simplify right side
121,412.18x = 11,698,315,977.08 - Step 5: Solve for x
x = 11,698,315,977.08/121,412.18 - Step 6: Final answer
x = 96,352.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.