Finding the Fourth Proportional to 157,435.36, 236,133.60 and 68,750.08
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Solution
The fourth proportional to 157,435.36, 236,133.60 and 68,750.08 is: 103,116.63
Step by Step Solution
- Step 1: Write the proportion equation
157,435.36 : 236,133.60 = 68,750.08 : x - Step 2: Convert to fraction form
157,435.36/236,133.60 = 68,750.08/x - Step 3: Cross multiply
157,435.36x = 236,133.60 × 68,750.08 - Step 4: Simplify right side
157,435.36x = 16,234,203,890.69 - Step 5: Solve for x
x = 16,234,203,890.69/157,435.36 - Step 6: Final answer
x = 103,116.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.