Finding the Fourth Proportional to 124,230.44, 171,437.28 and 67,641.68
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Solution
The fourth proportional to 124,230.44, 171,437.28 and 67,641.68 is: 93,345.12
Step by Step Solution
- Step 1: Write the proportion equation
124,230.44 : 171,437.28 = 67,641.68 : x - Step 2: Convert to fraction form
124,230.44/171,437.28 = 67,641.68/x - Step 3: Cross multiply
124,230.44x = 171,437.28 × 67,641.68 - Step 4: Simplify right side
124,230.44x = 11,596,305,633.83 - Step 5: Solve for x
x = 11,596,305,633.83/124,230.44 - Step 6: Final answer
x = 93,345.12
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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.